Bakcou Storm Jager User manual

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OWNER’S MANUAL

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We want to thank you for purchasing a Bakcou eBike and would like to
welcome you as one of our newest Tribe Members. We know that you
are going to love your new eBike as much as we love ours and it will no
doubt change the way you access the backcountry!
We want you to know that customer service is at the center of our
business model. We encourage you to email, call, or use the online chat
on our website to contact us with any questions, concerns, or assistance.
We are committed to the design and manufacturing of the best electric
bicycles, bicycle components, and related products on the market. To
ensure that our bikes are of the highest quality we are uncompromising
in our choice of materials, manufacturing processes, development of
new products and commitment to innovation.
Our company was founded on a few basic principles. First, was our love
for the backcountry and the desire to access these remote areas with
minimal disturbance to wildlife and their habitat through quiet and non-
pollutant means. Second, was to design and build the most durable and
efcient, yet affordable, electric bikes on the market. Our goal wasn’t
to create a mountain bike conversion kit by simply adding a motor to a
bicycle frame that wasn’t designed and intended to operate with one.
Instead, we designed the eBike around the motor and the drive train
with the necessary framework and durability needed to withstand the
abuse and demands placed on it. Third, Bakcou was built by sportsmen
and outdoor enthusiasts for those that want the same thing we do,
which is to climb higher, go farther, and explore more without
adding stress to the environment.
Welcome to the Tribe. Now get out and enjoy the backcountry,
like you’ve never done before!
Foreword on Safety ...................................................................... 2
Introduction.................................................................................. 3
The Bakcou eBike High Level Specs ............................................ 4
Tire Pressure, Power, Battery ........................................................ 6
Important Safety Information ..................................................... 10
Get to Know Your eBike ............................................................. 13
Safety Precautions ...................................................................... 16
Safeguard Your eBike ................................................................. 17
Inspection................................................................................... 18
Easy Fixes Every Rider Should Know......................................... 20
Warranty & Claims..................................................................... 22
Return Policy.............................................................................. 23
Troubleshooting ........................................................................ 24
Bryan Child, Owner Dave Andre, Owner
TABLE OF CONTENTS

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An electric bicycle can be a great way to access terrain that may be impossible by any other means. It can
also be dangerous, especially if you ride terrain above your ability or beyond the capability of the eBike
itself. If you are headed into the backcountry, be prepared. Bakcou recommends riding with a rst-aid
kit and a Trailside Repair Kit that includes a bicycle pump, at repair kit, chain links, chain tool, and bike
multi-tool. Bring water, food and clothing appropriate for the season and the environment. A dry trail with
good traction may turn impassable with a little rain. If this occurs, you may need to walk the eBike. Always
practice proper backcountry safety protocols.
The eBike will not protect you in an accident. There are no seat belts or air bags, and therefore a crash,
even at low speeds, can result in injury or death. If you are in an accident, inspect the eBike thoroughly
before continuing with your ride. If you aren’t sure, do not ride the eBike. Take it to a professional bicycle
mechanic or repair shop for a professional inspection.
If you experience any mechanical problems while on a ride, immediately turn off the electric power at
the battery prior to attempting any repairs. Repairs include anything such as putting the chain back on,
adjusting brakes, or adjusting accessories. Attempting to replace or re-engage the chain while the power
is on could result in serious injury.
Secure all cargo and ensure loose straps are secured to avoid interference with the moving parts on
the eBike. Be aware of loose clothing, especially on the drive side (right side) of the bicycle, to avoid
interference between your clothes and the drivetrain. Be sure the wheels spin freely and there is nothing
that could get caught in the spokes or prevent the wheels from turning freely. If you get a piece of clothing
or equipment caught in the front chainring, immediately turn the power off. You may need to be prepared
to cut or remove clothing that gets caught in the drivetrain in order to remove it from the system.
The Bakcou eBike is a fun and exciting ride! Always be aware of your surroundings and your environment.
Be cautious of other riders and pedestrians. Always stay in control and within your ability. Bakcou
recommends the use of a DOT (Department of Transportation) rated helmet at all times.
Your Bakcou eBike comes with a tremendous amount of torque and power. It is equipped with gearing
for steep climbing, as well as higher speed straightaways. The larger cogs, on the rear cassette, are for
climbing and the smaller cogs, are for atter ground and higher speeds. This makes riding your eBike
correctly, even more important. Sometimes riders get caught up in “throttle only” riding, to such a degree,
that they forget to shift gears. Similar to driving a car, it is important to shift into the appropriate gear for
the terrain you are riding. As with driving a car, you certainly wouldn’t start from a standstill in 6th gear.
This would cause a tremendous amount of stress on your drivetrain. An eBike is no different. Make sure
your eBike is in 1st or 2nd gear when you start off, and then shift into higher gears, as you pick up speed.
Then, as you prepare to stop, down shift into 1st or 2nd gear, so that you are once again in a lower gear
for when you take off.
Just to be clear, the largest cog on the rear cassette is 1st gear and is thus for climbing, and the smallest
cog is 9th gear and is for atter ground and higher speeds. The signicantly increased torque, created by
your electric motor at take-off, can be easily distributed across a large cog. Whereas, a small cog does not
have enough teeth to appropriately distribute the increased torque. Starting in a higher gear will cause
premature wear and tear on your chain and gears, among other drivetrain components.
In addition to the proper shifting described above, we strongly encourage using pedal assist to start rather
than throttling from a standstill. Using the throttle at a standstill is similar to pushing the gas pedal to the
oor in your car when taking off. While this may create some excitement, it’s also very stressful on the drive
train components of your eBike.
You will notice while riding that your eBike has shift and brake sensors. For obvious reasons, the power to the
motor is cut off when the brakes are applied. However, power to the motor is also cut while shifting gears.
This sensor allows for tension on the chain to be relieved so that proper and smooth shifting can occur.
FOREWORD ON SAFETY INTRODUCTION

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HARD-TAIL MID DRIVE
750 W / 1000 W Bafang Ultra Motor
17.5ah, 21ah, 25ah, Lithium-Ion Battery
Shimano Alivio 9 Speed
6061 Aluminum Alloy Frame
203mm Hydraulic Quad Piston Disc Brakes
26x4 Traction & Control Maxxis 120 TPI
GT MRK 100mm Air Fork
MULE
HARD-TAIL MID DRIVE
750 W / 1000 W Bafang Ultra Motor
17.5ah, 21ah, 25ah, Lithium-Ion Battery
Rohloff E-14 (500/14) Speed Hub
6061 Aluminum Alloy Frame
203mm Hydraulic Quad Piston Disc Brakes
26x4 Traction & Control Maxxis 120 TPI
GT MRK 100mm Air Fork
MULE JÄGER
HARD-TAIL HUB DRIVE
750 W Bafang High End Hub Motor
17.5ah, 21ah, Lithium-Ion Battery
Shimano Alivio 9 Speed
6061 Aluminum Alloy Frame
203mm Hydraulic Quad Piston Disc Brakes
24x4 Traction & Control CST BFT Tires
GT MRK 100mm Air Fork
FLATLANDER ST 24”
FULL-SUSPENSION MID DRIVE
750 W / 1000 W Bafang Ultra Motor
17.5ah, 21ah, 25ah, Lithium-Ion Battery
SRAM 9 Speed, 40t Front & Sunrace 11-42t Rear
6061 Aluminum Alloy Frame
Rockshox Monarch Rear Suspension
203mm Hydraulic Quad Piston Disc Brakes
26x4 Traction & Control Maxxis 120 TPI
RST Renegade Fork - 120mm Travel
STORM
FULL-SUSPENSION MID DRIVE
750 W / 1000 W Bafang Ultra Motor
17.5ah, 21ah, 25ah, Lithium-Ion Battery
Rohloff E-14 (500/14) Speed Hub
6061 Aluminum Alloy Frame
Rockshox Monarch Rear Suspension
203mm Hydraulic Quad Piston Disc Brakes
26x4 Traction & Control Maxxis 120 TPI
RST Renegade Fork - 120mm Travel
STORM JÄGER
HARD-TAIL MID DRIVE
750 W / 1000 W Bafang Ultra Motor
17.5ah, 21ah, Lithium-Ion Battery
Shimano Alivio 9 Speed
6061 Aluminum Alloy Frame
203mm Hydraulic Quad Piston Disc Brakes
26x4 Maxxis Tires or 24x4 CST BFT Tires
GT MRK 100mm Air Fork
MULE ST 26”/24”
HARD-TAIL HUB DRIVE
750 W Bafang High End Hub Motor
17.5ah, 21ah, 25ah, Lithium-Ion Battery
Shimano Alivio 9 Speed
6061 Aluminum Alloy Frame
203mm Hydraulic Dual Piston Disc Brakes
26x4 Traction & Control Maxxis 120 TPI
GT MRK 100mm Air Fork
FLATLANDER
FULL-SUSPENSION MID DRIVE
750 W / 1000 W Bafang Ultra Motor
17.5ah, 21ah, Lithium-Ion Battery
Shimano Alivio 9 Speed
6061 Aluminum Alloy Frame
203mm Hydraulic Quad Piston Disc Brakes
26x4 Traction & Control Maxxis 120 TPI
RST Renegade Fork - 120mm Travel
SCOUT

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TIRE PRESSURE
Pump tires to desired pressure. The range for the tires is from 5 psi to 30 psi, with 5 psi being the lowest
the tire is rated for. Lower pressures can provide more traction, however increase the risk of pinch ats,
and decrease the range of the motor. Higher pressures can decrease the possibility of pinch ats, but
also can decrease grip on softer and varied terrain. We recommend using a 2 psi difference between the
front tire and rear tire (+2 psi in the rear tire) to maximize traction in the front and stability in the rear, for
example 15 psi front, 17 psi rear.
If you are riding in an area with a lot of thorns, we recommend puncture proof tire liners and/or a
tube/tire sealant.
POWERING THE UNIT ON
1. Make sure the battery is fully inserted and locked on your bike.
2. Get on the eBike, ready to ride.
3. Turn the battery on using the power switch on top of
the ebike. (Storm model only. Skip to step 4 otherwise.)
4. Press and hold the power button on the keypad for
a couple seconds until the display turns on.
5. When the power comes on, the power level will be set to 1,
and therefore engaged for throttle or pedal assistance.
6. Use the + or - key on the keypad to change your pedal
assist power level from 0-5 (0 is no assistance,
5 is maximum assistance).
7. Press and hold (-) key for walk-assist mode.
8. Hold (+) key for 2 seconds for Sport Mode. This makes
the torque sensor more aggressive.
9. Hold (+) key again for Eco Mode. This will increase
battery efciency.
10. To turn off, press and hold the power button again
for a couple seconds.
TIRE PRESSURE, POWER, BATTERY
for very soft sand
or snow
for most off-road riding,
depending on terrain
for pavement or hard,
smooth surfaces
5-15 PSI 15-25 PSI 25-30 PSI
POWER ON/OFF
(I) INFORMATION
PEDAL-ASSIST POWER DOWN
HEADLIGHT ON/OFF
PEDAL-ASSIST POWER UP
DISPLAY SCREEN FOR STORM, MULE AND SCOUT
FIVE BUTTON KEYPAD
Power Button: Turns power and display on and off
(+) Button: Increase power
(–) Button: Decrease power
Light Button: Turns on/off headlight if one is installed
(i) Button: Scrolls through information screens on the
Analyst Display. Quickly double click to view settings
and information.
ANALYST DISPLAY
Current Speed Total Distance
Trip Distance Battery Level
Power Level Watts Output
DISPLAY SCREEN FOR FLATLANDER
FOUR BUTTON KEYPAD
Power Button: Bottom Right Button
(+) Button: Increase power
(–) Button: Decrease power
Press and hold (+) to turn light on/off
Press and hold (-) key for walk-assist mode.
ANALYST DISPLAY
Current Speed Total Distance
Trip Distance Battery Level
Pedal Assist Level Watts Output
MODE
UP
DOWN
POWER

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BATTERY TO EBIKE
CONNECTOR
POWER CHARGING
PORT
RIDING TIPS TO MAXIMIZE YOUR BATTERY
To increase battery life and reduce wear on the
components, follow these tips:
» Use the pedals as often as possible, especially
when starting.
» DO NOT simply rely on the throttle for power.
» Start in a low gear and low power. This means
looking ahead and possibly shifting to a lower
gear before coming to a stop so you are in the
right gear to resume riding again.
» Use low gears for climbing steep hills. Avoid
putting unnecessary torque on the transmission.
» Minimize starts and stops by looking ahead and
planning your route.
» Use higher tire pressure.
In the rst 20 miles or so, the cables and system
components will settle and therefore may need to
be adjusted. If you are unfamiliar with adjusting the
derailleur, Google “Derailleur Adjustment Video,”
or reach out to your local bike shop for help.
HOW TO ADJUST THE FRONT SUSPENSION FORK
The dial over the right fork is to lock out the fork.
Turn clockwise to lock suspension travel. Turn
counter-clockwise to unlock suspension and allow
the suspension to travel.
The cap over the left fork covers a valve to adjust
the pressure in the air forks. Use a high-pressure
shock pump to adjust the air pressure. (Given the size
of the valve, do not use a compressor or any other
type of pump). You may purchase a shock pump on
the Accessories page at www.bakcou.com.
Bakcou recommends starting at 140psi and then
adjusting accordingly to rider weight, terrain, and
personal preference.
CHARGE LEVEL INDICATOR
GREEN=FULL
YELLOW = HALF
RED = EMPTY
BATTERY LEVEL INDICATOR
BATTERY TO EBIKE
CONNECTOR
POWER
CHARGING PORT
LITHIUM ION BATTERY
Your bike will typically arrive with the battery having
a partial charge straight from the box. We
recommend fully charging your battery prior to
initial use. Your battery can be charged while on
your bike, or it can be charged off your bike.
During normal use, you can charge the battery
after every ride regardless of battery level.
For safety, the charging will automatically stop
charging once the battery is full. It’s never good to
completely run the battery dead.
When charging, the light will change to green once
it’s fully charged. Allow approximately 4-8 hours for
a full charge (depending on battery size). Always
charge in dry, ventilated conditions away from
sunlight, ideally 50-80 degrees Fahrenheit. The
charger will get warm, so make sure to keep it away
from all ammable materials and surfaces. Only use
the original charger, DO NOT use any aftermarket
chargers or charging accessories.
For long term storage, it is best to leave the battery
at about 50-80% (2-3 lights) state of charge (SOC).
Always store the battery in a cool place. For best
results, do not store for longer than 4 months
without cycling the battery.
EXTERNAL BATTERIES
To charge the battery, remove the circular rubber
plug from the LEFT side of the bike. Plug the
charger into a power outlet and wait until the light
on the charging unit is illuminated red. Plug
the other end of the cord into the battery.
To remove the battery from your bike, insert the key
and turn 90 degrees, then pull the battery out. To
reinstall the battery, line up the bottom connection
port and push the top back into the bike.
INTERNAL BATTERIES
To charge the battery, remove the circular rubber
plug from the top RIGHT side of the down tube
of the bike. Plug the charger into a power outlet
and wait until the light on the charging unit is
illuminated red. Plug the other end of the cord into
the battery.
To remove the battery from your bike, insert the
key and turn counterclockwise, then compress
the battery into the bike and turn the lever. The
battery should release and drop out of the
housing. To re-insert the battery, align it back in the
housing, compress into the downtube and
turn the key clockwise so it locks in place.

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LIFESPAN
An eBike is not indestructible, and its parts will not last forever. Our eBikes are made to withstand the
stress of “normal” riding because those stresses are well known and understood.
However, we cannot predict the forces that might occur if it is involved in an accident. With damage, the
life of any part can be drastically reduced and may fail without warning. The life of a part is determined
by its construction, materials, use, maintenance, rider weight, speed, terrain, and environment (humidity,
salinity, temperature, etc.), so it is not possible to give an accurate timetable for replacement. Any
crack, scratch, or change of color in a high-stress area indicates the part (including the frame or fork)
has reached the end of its life and should be replaced. If you are not sure, or you don’t feel comfortable
inspecting or repairing your eBike, consult your local bike shop. Regular maintenance, frequent
inspections, and frequent replacement of parts are necessary for a high-performance eBike.
THINK SAFETY
Stay tuned to your environment and avoid dangerous situations which are usually obvious (trafc,
obstacles, drop-offs, and so on) but sometimes are not. Many of those situations are shown in this
manual. Some of the high-risk stunts and jumps seen in magazines or videos are very dangerous; even
skilled athletes get severe injuries when they crash, and they do crash. Modications to your eBike
can make it unsafe. Each part of your new eBike has been carefully chosen and approved. The safety
of accessory or replacement parts, and especially how those parts attach and interface with other
parts of the eBike, are not always apparent. For this reason, you should only replace parts with original
equipment or parts that are approved. If you are not sure what parts are approved, ask your bike shop.
Some examples of modications include physically altering existing parts (sanding, ling, drilling, etc.),
using adapters for brake systems, installing accessories, and changing parts.
ACKNOWLEDGMENT AND INDEMNIFICATION
User acknowledges that there are inherent anticipated and unanticipated risks and dangers involved with
the use of Bakcou Products, including eBikes and scooters, whether intended or as a result of misuse.
The user understands that such risks can result in injury, death, illness or disease, physical or mental
damage to yourself, your property, other third parties and their property, or to the property of Bakcou.
As such, user agrees to release, waive, defend, indemnify, and hold Bakcou and its directors, ofcers,
employees, agents, members, partners, authorized dealers, suppliers, and licensors harmless and will
keep them indemnied from any claim or demand, including reasonable attorneys’ fees, relating to or
arising from: (a) Your purchase or use of any Bakcou Products; (b) any violation by you of these Terms;
or (c) your violation of another party’s rights or applicable law.
Bakcou reserves the right to assume, at its sole expense, the exclusive defense and control of
any matter subject to indemnication by the user, in which event the user will fully cooperate
with Bakcou in asserting any available defenses.
IMPORTANT SAFETY INFORMATION
Read this important safety information before riding your ebike.
AN EBIKE CANNOT PROTECT YOU IN AN ACCIDENT
The most common cause of injury on an eBike is falling. In a crash or impact, it is not uncommon for your
eBike to sustain damage and for you to fall. Cars have bumpers, seat belts, air bags, and crumple zones.
eBikes do not. If you fall, your eBike cannot prevent injury. If you are involved in any kind of impact, crash,
or accident, check yourself thoroughly for injuries. Then have your eBike thoroughly inspected by a local
bike shop before you ride it again.
KNOW YOUR LIMITS
An eBike can be dangerous, especially if you try to ride beyond the limits of your ability. Know your skill
level and don’t ride beyond it.
KNOW YOUR EBIKE’S LIMITS
Your eBike is made to withstand the stress of rough, rugged conditions within “normal” riding conditions.
If you misuse your eBike by riding outside those conditions, it can be damaged by stress or fatigue. Any
damage can drastically reduce the life of the frame, fork, or other parts.
HANDLE WITH CARE
Some parts of your eBike can injure you if mishandled. There are sharp points, for example, on the teeth
of the chainrings and some pedals. Brakes and their parts get hot. Rotating brake rotors can cut skin and
even break bones. Clamps and pivoting parts such as brake levers can pinch, as can the chain where it
runs onto sprocket teeth. eBike components are especially vulnerable. Electric cables, connectors, battery
dock, battery, and the controller can be easily damaged if handled incorrectly.
HOW OLD DO I HAVE TO BE TO RIDE A BAKCOU EBIKE?
Users must be 16 years of age or older to operate a Bakcou eBike or scooter. Children under the age of 16
may lack the necessary judgment, strength, and skills to safely operate and handle the eBike or scooter. A
parent or legal guardian should always make the nal decision on whether a child should operate or ride
on a Bakcou eBike or scooter, or any other vehicle.
Bakcou recommends checking local regulations regarding eBikes. Some localities may require eBike riders
to be over the age of 16. It’s essential to know and obey local regulations regarding rider age and usage
and restrictions. In addition, a helmet is always recommended for riders of all ages.

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For the most enjoyment from your eBike, familiarize yourself
with the pedals, brakes, shifting, and suspension. You will enjoy
yourself more if you are condent with your eBike.
BEFORE EVERY RIDE
Before riding your eBike, perform a safety check on level ground
and away from trafc. If any part doesn’t pass the safety check,
x it or have your eBike serviced before riding.
PRE-RIDE CHECKLIST
CHECK THE HANDLEBAR
1. Make sure the bar is at 90 degrees to the wheel.
2. Check that the handlebar is tightened sufciently so that
it will not twist out of alignment and does not rotate in
the stem.
3. Make sure that no cables are pulled or caught when you
turn the handlebar from side to side.
ADJUST YOUR HANDLEBAR AND STEM
Handlebar position is important for control and comfort. Special
tools and training are necessary to align, adjust, and torque your
stem, so only your eBike shop should do this. Do not attempt
to make the adjustments yourself as these changes may also
require adjustments to the shift levers, brake levers, and cables.
CHECK THE SADDLE AND SEAT POST
1. Make sure the saddle is in line with the center of the eBike.
2. Check that the saddle rails or collar is tightened sufciently
so that it will not twist out of alignment, or move up or down.
ADJUST YOUR SADDLE
Test that you have the right height by sitting on the saddle with
your heel on the lower pedal and your leg slightly bent. If your
leg is bent more than slightly, your seat should be adjusted up.
If you can’t reach the pedal, your seat should be adjusted
down. To avoid damage to the seat post or eBike frame, do not
position the saddle beyond the minimum insertion line on the
seat post. If you can’t properly position your saddle, see your
bike shop.
GET TO KNOW YOUR EBIKE

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WARNING: A wheel attachment device, including a quick-release, not correctly adjusted and
closed can move independently and catch in spokes or a brake rotor. In addition, the wheel may
become loose or come off, suddenly stop the wheel, decrease your control, and cause you to
fall. Make sure your wheel is correctly installed and rmly attached before you ride your eBike.
CHECK THE WHEELS
1. Check rims and spokes for damage. Give the wheel a spin. It should spin straight through
the fork (front) and chainstays (rear).
2. Check that the axles are fully seated in the dropouts.
3. Lift your eBike and hit the top of the tire with a solid blow. The wheel should not come off,
be loose, or move from side to side.
4. If your wheel is equipped with a quick-release, make sure the lever is properly closed and
positioned (in-line with the chain stay or front fork) and does not interfere with the spokes
or disc brake system as the wheel rotates.
WARNING: Securely clamping the wheel with a quick release system takes considerable force.
If the wheel is not properly secured, the wheel can become loose or fall off causing serious
injury. The nut should be tightened enough that you need to wrap your ngers around the fork
to close the lever.
CHECK THE TIRES
Use a tire pump with a gauge to make sure your tires
are inated within the recommended pressure range.
Do not exceed the pressure limit as stated on the side
of the tire or rim; whichever is lowest.
NOTE: It is better to use a hand or foot pump than a
service station pump or electric compressor. The latter
are more likely to allow for over-ination, which can
cause the tire to blow out.
CHECK THE BRAKES
1. While standing still, make sure you can apply
full braking force without the brake lever
touching the handlebar. (If the lever touches,
your brakes may need adjustment.)
2. Check that the front wheel brake is working
properly. Ride the eBike at slow speed and
apply the front wheel brake. The eBike should
come to an immediate stop. Repeat the
process with the rear wheel brake.
WARNING: Brake force applied to the front wheel
suddenly or too fully could lift the rear wheel off
the ground. This could decrease your control
and cause you to fall. For best results, apply both
brakes at the same time.
CHECK THE CHAIN
1. Make sure your chain has the correct tension
so that it can’t fall off. If you’re unsure of the
correct tension, see your bike shop.
2. Check that the chain has no kinks, rust, broken
pins, plates, or rollers.
CHECK THE CABLES
Make sure all cables and housings are properly
secured to the frame or fork so that they cannot
interfere with or get caught on moving parts.
CHECK REFLECTORS, LIGHTS, & ACCESSORIES
1. Make sure your reectors, lights and any
other accessories are securely attached,
properly positioned, and working properly.
2. Position your lights parallel to the ground.
Make sure your batteries are charged.
CHECK YOUR BATTERY AND CONTROLLER
Check that your battery is locked in the dock and
fully charged, and your controller and eBike system
are functioning properly.
CHECK YOUR SUSPENSION
Adjust your suspension for your use, and make
sure that no suspension component can “bottom
out” or be fully compressed.
CHECK YOUR PEDALS
1. Make sure your pedals and shoes are clean and
free of debris that could affect your grip or
interfere with the pedal system.
2. Grab your pedals and crank arm and wiggle to
see if there’s any looseness. Also spin the
pedals to make sure they rotate freely.
Don’t forget to register your bike with us
to activate your product warranty
www.bakcou.com/product-registration

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KEEP IT CLEAN
Clean your eBike with water or mild detergent and a non-abrasive sponge if your eBike is very dirty. Never
spray your eBike using high pressure, and never spray directly onto bearing points or electrical parts.
Never use harsh chemicals or alcohol wipes to clean your eBike.
PART REPLACEMENT
If you need to replace any eBike parts (worn brake pads, for example, or broken parts from an accident),
visit your bike shop or the Accessories page of www.bakcou.com. Use only genuine replacement parts. If
you use anything other than genuine replacement parts you may compromise the safety or performance
of your eBike.
Your safety depends on the correct maintenance of your eBike. After any repair or accessory installation,
check your eBike as shown in the Before Every Ride section on page 13 of this manual.
PARKING, STORING, AND TRANSPORTING YOUR EBIKE
Prevent theft! Do not park your eBike unless you secure it to a xed object with a bike lock that resists bolt
cutters and saws. Lock the battery in place and remove the controller, if necessary. When using a bike rack
ensure that the rack is rated to carry the increased weight of an eBike.
MAINTENANCE
Technological advances have made eBikes and eBike parts more complex, and the pace of innovation is
increasing. It’s impossible for this manual to provide all the information required to properly repair and/or
maintain every eBike. To help minimize the chances of an accident and possible injury, it’s critical that
you have your bike shop perform any repair or maintenance not specically described in this manual.
Many variables, from your riding style to geographic location, will determine your maintenance
requirements. The longer you neglect maintenance, the more it becomes critical. Your bike shop can
help you decide your maintenance requirements. After initial use, new eBikes should be checked.
As an example, cables stretch through use, and this can affect the operation of shifting or braking.
Approximately two months after you purchase your new eBike, have your bike shop fully check it. Have
your bike shop fully service your eBike each year even if you did not ride your eBike much. Before each
ride, perform an inspection as outlined in the Before Every Ride section. If a part malfunctions, check
and service it immediately, or consult your bike shop. If a part has wear or damage, replace it before you
ride your eBike again.
SAFETY PRECAUTIONS
Follow these essential safety precautions to reduce your risk of harm when riding your eBike.
SAFEGUARD YOUR EBIKE
Follow these safeguards to keep your eBike in good shape for the long haul.
GEAR UP
1. Always wear a helmet when riding your eBike to reduce the risk of head injury in an accident.
2. Make sure your helmet ts you properly and meets the required safety standards.
3. Dress appropriately. Loose clothing or accessories can get caught in your wheels or other
moving parts and cause you to fall (e.g. pants leg in the chainring).
4. Make sure all loose straps & accessories are secured (backpack, tie-down, bungee cord, panniers, etc).
5. On an eBike, the unique up and down pedaling motion is what makes you recognizable on the road.
At night, highlight your feet, ankles, and legs with products that feature reective material.
6. When on the road use front and rear lights, day and night.
7. Make sure your reectors are clean and properly positioned.
WARNING: Reectors, which function only when light shines on them, are not a substitute for lights.
Riding in dark conditions or at times of poor visibility without adequate lighting is extremely hazardous.
RIDE SMART
1. Know your skill level and do not ride above it.
2. Do not ride distracted. Using a mobile phone, music player, or other devices while riding can lead
to an accident.
3. Do not ride too fast. Higher speed creates higher risk, and results in higher forces if a crash occurs
(you may be surprised at the power of your Bakcou eBike).
4. Do not ride hands-free. Always keep at least one hand on the handlebar.
5. Do not ride while intoxicated or while using medications that can make you drowsy or less attentive.
6. Always obey all laws, rules and/or regulations regarding the use of electric assisted bicycles.

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INSPECTION
Perform the following inspections and maintenance when indicated.
CHECK TIGHTNESS
Your new eBike left the shop with bolts and connections properly tightened — but those bolts and
connections loosen over time, and sometimes even during shipping. This is normal. It’s important to check
and adjust them to make certain they are tight.
KNOW YOUR TORQUE SPECS
Torque is a measure of the tightness of a screw or bolt. Too much torque can stretch, deform, or break
a bolt (or the part it attaches). Too little torque can allow the part to move and may lead to fatigue and
breakage of the bolt (or the attached part). A torque wrench is the only reliable method of determining
correct tightness. If you do not have a torque wrench, you cannot properly inspect for tightness and
should consult your bike shop. The torque specication is often written on or near the bolt or part. If a
part does not have a specication on it, ask your local bike shop or contact the Bakcou customer service
department. It shouldn’t take more than a few minutes to check the following and adjust as necessary to
proper torque specs:
HANDLEBAR
Check that the handlebar grips are secure (they shouldn’t move or rotate).
WARNING: A handlebar end that is not plugged or covered can cut the rider in a crash. Inspect regularly.
FRAME AND FORK
Examine your frame and fork, especially near junctions, and clamping or attachment areas. Look and feel
for signs of fatigue: dents, cracks, scratches, deformation, discoloration, unusual noises (e.g. chain slap or
brake rub during acceleration). If you nd any, contact your bike shop before riding the eBike.
BRAKES
1. Check the brake pads for wear.
2. On the disc brakes, replace brake pads that are thinner than 1mm.
3. Check the thickness/wear of the rotors.
4. The minimum thickness is often printed on the disc.
WHEELS AND TIRES
Check the tires for damage or a worn area. As a tire wears thin, it may become more susceptible to
puncture. If a cut goes all the way through the casing, or any casing thread shows through the tread,
replace the tire. Your bike shop should x or replace loose spokes or spokes with damage.
FENDERS
When re-installing a fender, make sure you use the bolt(s) supplied with the eBike or fender assembly.
These bolts have specic sizes and locking capabilities. Failure to use these bolts may result in a loose or
detached fender contacting the tire causing an abrupt stop.
DERAILLEURS
Shift gears through all the sprocket combinations to make sure the derailleurs operate correctly and
smoothly, and the chain does not come off.
PEDALS
1. Wiggle the pedals to make sure they’re secure on the crank arms.
2. Rotate the pedals on the crank arm. If the pedals don’t rotate smoothly, see your bike shop to adjust
your pedal bearings.
3. If necessary, tighten your pedals. The right pedal is threaded in the usual direction.
The left pedal is left-hand threaded.
CHAIN
1. Check the chain for stiff link pins or wear and dirt.
2. Clean and lubricate the chain.
CABLES
1. Check the cables for problems: kinks, rust, broken
strands, or a frayed end. Cables should have an
end cap to prevent fraying.
2. Also check the cable housing for loose wire
strands, bent ends, cuts, and worn areas. If there
is a problem with a cable or housing, do not ride
your eBike. Unless you feel comfortable adjusting
your wire cables, take your eBike to your bike shop
for service.
ACCESSORIES
Check all accessories to make sure they’re correctly
and securely attached.
» Saddle clamp bolt(s)
» Seatpost clamp bolt
» Stem bolts
» Shift lever attachment bolts
» Brake lever attachment bolts
» Brake bolts, front and rear, including any bolt
that attaches a cable housing stop
» Suspension attachment bolts and
crank arm bolts

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EASY FIXES EVERY RIDER SHOULD KNOW
We know not everybody is mechanically inclined, but every rider should master these basic skills.
CHECK YOUR TIRES
Properly inated tires make for an enjoyable ride. Checking your tires for ination and wear is your rst
step to improve your eBike’s performance. Check your tire pressure. Use a tire gauge, or a pump
equipped with a gauge, to check your tire pressure. Inate (or deate) your tires to proper air pressure.
Use a hand pump to inate your tires to the air pressure recommended. Make sure your pump is suitable
for a Schrader valve.
WASH YOUR EBIKE
1. It just feels better to ride a clean eBike. Not only does it look good, it will also add to the life of the
eBike. Constant attention to your eBike’s details will keep you up to date with maintenance as well.
2. All you need is a water hose, a bucket, mild soap, a soft brush, and a towel. Wet your eBike with the
hose, then work with the brush from the top down using plenty of soapy water. Rinse the soap off and
wipe it down.
High pressure water may damage eBike parts. Do not clean your eBike with a high-pressure washer as it
may seep into electric connectors, motors, controllers or other parts of the electric system.
DEGREASE AND LUBE YOUR CHAIN
Proper lubrication will keep your chain running smoothly and quietly and will prolong the life of your chain.
We recommend you clean (degrease) the chain prior to lubrication.
Degrease: It’s a dirty job, so leave your dress clothes in the closet. You’ll need a bike-specic degreaser
(a biodegradable option is good). There are designated chain-cleaner tools but you can also use a
toothbrush. Apply the degreaser with a toothbrush or a chain-cleaner tool to the bottom length of the
chain and pedal backwards. After degreasing, wash the chain with soapy water and a brush, rinse it clean,
and allow to dry. Re-lube your chain after degreasing.
REMOVE & REPLACE YOUR WHEELS
Be careful not to press the brake lever after removing the wheel. This may close the brake pads making it
difcult for the rotor to go back inside the pads.
REMOVE THE REAR WHEEL
1. Shift down to the smallest gear in the cassette.
2. Loosen the thru-axle on the wheel.
3. Grab the derailleur body and push down, then back and release the wheel from the dropouts.
4. Tilt the wheel and remove the chain from the cassette. Set the wheel and your eBike down with
the gears up.
REPLACE THE REAR WHEEL
1. Standing at the rear of the eBike, with the wheel between your knees, grab the rear derailleur with
your right hand and pull back and push down making sure the top of the chain drops over the rst (or
smallest) gear on the cassette. Make sure the wheel axle ts all the way into the frame of the eBike.
2. Tighten the thru-axle bolts.
REMOVE & REPLACE YOUR TIRE
1. Deate the inner tube.
2. Loosen the tire from the rim.
3. Use your hands or tire levers to remove the tire from one side of the rim. Do not use a sharp object
such as a screwdriver to remove the tire.
4. With one side of the tire removed, you can reach in and remove the inner tube.
5. To remove the tire completely, use your hands or tire levers to remove the other side of the tire
from the rim.
REPLACE THE TIRE ON THE WHEEL
1. Take this opportunity to examine the tire and the rim for defects.
2. Inate the inner tube just enough for it to take shape.
3. Place the inner tube in the tire so that it is inside the tire all the way around. Insert the valve stem
through the hole in the rim.
4. With your hands only, push one side of the tire over the rim. Make sure the tube is now inside the rim.
5. Push the other side of the tire over the rim.
6. From the outside of the tire, prop the valve stem up through the rim.
7. Inate the tire to the pressure indicated on the side of the tire. Do not over-inate.
8. Check to make sure the tire bead is set on the rim.
WARNING: Do not get lubricant on rim
sidewalls, disc brake rotors or brake pads.
Lubricant on brake surfaces can cause decreased
braking function, and increase the possibility of
an accident or injury. Wipe off any lubricant that
contacts brake surfaces.
Lubricate: Use a bike-specic chain lubricant.
Apply lubricant to each link pin as you slowly
pedal backwards. Wipe off any excess lubricant.

VISIT US AT BAKCOU.COM | 2322
RETURN POLICY
30-DAY NO-RISK PURCHASE PROGRAM
Bakcou stands behind our eBikes with full
condence that you will have and enjoy the
industry leading eBike in your hands. At Bakcou,
we pride ourselves on our ve-star customer
service. Our sole focus is on taking care of our
Tribe members and you can shop with condence
knowing that when you call Bakcou, you’ll work
directly with a member of our team located at our
headquarters in northern Utah.
If your Bakcou eBike isn’t everything you hoped it
would be, or you simply decide you want a different
Bakcou model, we’ll do a no-hassle exchange for
a different model or provide you with a full refund.
You cover the return shipping to get the bike back
to us and we’ll take care of the shipping costs to get
you your new bike! Bakcou eBike must be in new
condition with less than 10 miles on the odometer to
qualify for an exchange or refund.
Bakcou’s 30-Day No-Risk Trial program is only for bikes
purchased after November 1, 2021. Prior purchases do
not qualify. Your 30-Day No-Risk Trial starts on the day
the delivery company drops off your bike.
For more information on our 30-Day No-Risk
Purchase Program, please visit us at www.Bakcou.
com or send us an email at [e-mail].
RETURN POLICY
Refund policy applies to apparel and accessories.
For eBikes and scooters, please refer to our 30-Day
No Risk Purchase Program.
Bakcou accepts returns and exchanges up to 30 days
after you receive your purchase. Items must be in the
same condition that they were received to be eligible
for return. A 15% restocking fee will be applied to your
refund and you are responsible for shipping. Receipt
or proof of purchase is also required for returns.
We will notify you upon receipt and inspection of
your return. If approved, an automatic refund minus
the 15% restocking fee will be applied to your
original payment method. Please allow adequate
time for your bank or credit card company to
process and post the refund.
For returns and exchanges, please contact us at
[e-mail].
In the event of a product return, Bakcou promotional
items received with your purchase must also be
returned and a 15% restocking fee will be assessed.
If you choose to keep any of the promotional items,
the MSRP value of the promotional items will be
deducted from your refund.
Customer must receive written approval of
the return and a Return Authorization Number
from Bakcou, LLC prior to submitting a return.
If a customer sends a return without the written
consent of the company, a refund will not be
issued. The customer who sends a unit back
without consent will be responsible for shipping
costs back to them, or will sacrice the item. One
a return is approved by Bakcou, LLC, you may
receive an exchange, company credit, or a refund.
Please address your return to:
Bakcou, LLC
c/o Return Authorization #__________
2840 Wadman Drive, Unit B
Ogden, UT 84401
All purchases made through Authorized Bakcou
retailers are subject to the dealer’s return and
refund policies. Bakcou does not accept direct
returns of products sold through authorized
retailers. All products sold through dealers must be
returned to the original seller.
WARRANTY & CLAIMS
ALL BAKCOU eBIKES & SCOOTERS COME WITH A ONE YEAR LIMITED WARRANTY
Every eBike from Bakcou comes with a one year limited warranty against manufacturing defects in
materials or workmanship on its frame, motor, display, and battery.
Within the rst year of purchase, this warranty includes shipping, labor, and parts for the frame, motor,
display, and battery. This limited warranty does not apply to normal wear and tear, malfunctions, or failures
due to abuse, neglect, improper repair, improper maintenance, alteration, modication, accidents, or other
improper use. The one-year warranty on Bakcou lithium-ion batteries from the date of original purchase
does not include damage from power surges, use of improper charger, improper maintenance or other
such misuse, normal wear, or water damage.
If a component is deemed to be defective or damaged without user error or other improper use, Bakcou
will assist in replacing that part. This includes any parts deemed to have been damaged in shipping. We
will not replace any part deemed to be damaged by the user.
In the case of a repair or parts replacement under warranty, we will work with the owner to nd a local
certied bicycle repair shop to make the necessary x. Bakcou will also cover the associated repair labor
fees, only if the scope of service is agreed upon prior to the x. The owner may also return the unit to
Bakcou to make the needed repairs, but will be responsible for shipping costs each way.
WARRANTY CLAIMS
All claims to this warranty must be submitted through Bakcou, LLC and can be submitted by visiting www.
Bakcou.com or by emailing us at [e-mail]. Proof of the original purchase may be required with
any warranty request. Before making a claim, please contact our Customer Service Department by calling
[phone], as there may be a simple x for the problem. Valid warranty claims will be processed within
one year of the initial purchase.
SHIPPING DAMAGE CLAIMS
Upon delivery, immediately inspect your products for damage. Freight damage claims are extremely time
sensitive and we will not accept freight damage claims later than 3 business days from delivery. Note any
damage to your products on the Bill of Lading before you and the delivery drive sign-off on the shipment.
Take photos of any damage that is found and date the images when possible. Report shipping damage
claims within 3 business days of delivery to Bakcou, LLC at [phone] or www.bakcou.com.
Don’t forget to register your bike with us
to activate your product warranty
www.bakcou.com/product-registration

VISIT US AT BAKCOU.COM | 2524
BAFANG MID MOTOR ERROR CODE DEFINITIONS
ERROR CODE ERROR DESCRIPTION TROUBLESHOOTING METHOD
“03” is displayed The braking system has been applied Check whether a brake cable is stuck
“04” is displayed The throttle has not returned home Check whether the throttle has returned home
“05” is displayed Throttle fault Check the throttle
“06” is displayed Low voltage protection Check the battery voltage
“07” is displayed Overvoltage protection Check the battery voltage
“08” is displayed Motor hall signal cable fault Check the motor module
“09” is displayed Motor phase cable fault Check the motor module
“11” is displayed Controller temperature sensor failure Check the controller
“12” is displayed Current sensor failure Check the controller
“13” is displayed Battery temperature fault Check the battery
“21” is displayed External speed-detecting sensor fault Check the installation position of the external
speed-detecting sensor
“22” is displayed BMS communication failure Replace the battery
“30” is displayed Communication failure Check the controller connectors

2840 SOUTH WADMAN
OGDEN, UT 84401
[phone]
WWW.BAKCOU.COM
THANK YOU FOR YOUR PURCHASE
AND WELCOME TO THE TRIBE