Retrospec BEAUMONT User manual

USER’S MANUAL • 36V/350W
Beaumont

User’s Manual Electric Bike
1 2
Congratulations on your purchase of this Retrospec electric bike. It has been carefully
designed and manufactured to the latest international quality standards.
Please read this instruction manual carefully and thoroughly before riding. It contains
important information on safety, and maintenance. It is the owner’s responsibility to
read this manual before riding. Keep this manual for future reference.
This user’s instruction manual includes two sections:
SECTION I - Mechanical Operation, and SECTION II - Electric Operation.
These instructions apply to electric bike models with following equipment:
Section I: Mechanical Components Operation
• Derailleur with Disc Brakes
For mechanical equipment, an electric bicycle diers slightly from a non-electric bike.
Section II: Electrical Components Operation
• The battery-pack mounted in the rear carrier or on the down tube
• The motor in the rear wheel hub or front wheel hub
• The controller box next to the battery or integrated into the battery-pack
• Handlebar-mounted Display Panel operations.
Warranty: Should any original component prove defective in terms of workmanship
within its warranty period, we will replace it. Warranty period for Retrospec electric
bikes is as follows:
Electrical Components excluding Battery: 2 years with proper maintenance
Battery: 1 year
Frame and Fork: 1 year
All other components: 6 months
This warranty does not include labor and transportation charges. The company cannot
accept any responsibility for consequential or special damage. This warranty applies
only to the original retail purchaser who must have a proof of purchase in order to
validate any claim. This warranty applies only in the case of defective components and
does not cover the eects of normal wear, nor damage caused by accident, abuse,
excessive loads, neglect, improper assembly, improper maintenance or the addition of
any item inconsistent with the original intended use of the bicycle.
No bicycle is indestructible and no claims can be accepted for damage caused by
improper use, competition use, stunt riding, ramp jumping and leaping or similar
activities. Claims must be submitted through your retailer. Your statutory rights are not
aected. The company reserves the right to change any specication without notice.
All information and specications within this manual are correct at time of printing.
1. Tire & Tubes
2. Rims
3. Spokes
4. Front Hub with QR
5. Fork Fork
6. Front Mechanical Disk Brake
7. Front Mudguard (Fender)
8. Handlebar & Stem
9. Bell
10. Frame
11. Pedal
12. Chainwheel/Crankset
13. Chain Cover
14. Seat Clamp
15. Seat Post
16. Saddle
Fig. 1 Electric Bicycle with Carrier Pack
List of E-Bike Component Names
17. Chain
18. Rear Derailleur
19. Rear Motor Hub
20. Freewheel
21. Kickstand
22. Read Mudguard (Fender)
23. Rear Carrier
24. Battery
25. Grip
26. Shift Lever & Brake Lever
27. Throttle
28. Brake, Shift & Display Cables
29. Display
30. Front Light
31. Rear Light
32. Mudguard (Fender) Stay

User’s Manual Electric Bike
3 4
Section I - Mechanical Components Operation, Maintenance, & Safety
Contents:
1. Conditions for Riding This Electric bicycle
2. Saddle and Handlebar Set-Up
3. Safe Cycling and Safety Tips
4. Routine Maintenance Checks and Lubrication
5. Assembly Instructions
1. Riding Conditions
This pedal electric assistance bicycle is designed for riding on road, or paved surfaces
where the tires have rm contact with the riding surface. This e-bike must be properly
maintained according to the instructions found within this manual. The maximum
weight of the rider and load is 220lbs (100kgs).
WARNING! The owner/rider assumes the risk for personal injury, damage,
or losses. If the conditions in this manual are breached, the warranty will be
void automatically.
2. Saddle and Handlebar Set-Up
The seat can be easily moved either up or down. Adjust the seat to keep the rider’s
knee maintaining a slight bend when the foot is in the lowest (6 o’clock) pedaling
position (Fig.2) To position the saddle fore and aft saddle position see (Fig. 3).
3. Safe Cycling and Safety Tips
3.1 Pre-Ride Check Points
Before you ride your pedal electric assistance bicycle always make sure it is in a safe
operating condition. Particularly check that your:
• Nuts, bolts, quick-release and parts are fastened tight, not worn, or damaged.
• Riding position is comfortable and unencumbered.
• Brakes are operating eectively.
• Steering is free with no excessive play.
• Wheels run true and hub bearings are correctly adjusted.
• Wheels are properly secured and locked to frame/fork.
• Tires are in good condition and inated to correct pressure (tire pressure in on
tire sidewall - do not exceed max tire pressure).
• Pedals are securely tightened to pedal cranks.
• All reectors are in position and secure.
After you have made any adjustment to your electric bicycle, check that all nuts and
bolts are securely tightened and cables are free from kinks and xed securely to the
electric bicycle frame. Every six months, your electric bicycle should be professionally
checked to ensure that it is in correct and safe working order. It is the responsibility of
the rider to ensure all parts are in working order prior to riding this electric bicycle.
3.2 What Never To Do When Riding
NEVER ride without wearing an approved helmet, which must meet USA/European
(CPSC/EN) standards. Always comply with the local laws and ordinances.
• NEVER ride on the same side of the road as oncoming trac.
• NEVER carry a passenger, this bicycle is designed for a single rider only.
• NEVER hang item(s) over the handlebars, this could interfere with steering or
catch in the front wheel causing a crash.
• NEVER hold on to another motor vehicle or bicycle.
• NEVER ride too close to another vehicle - keep your distance and awareness.
WARNING! Wet Weather Riding: Your bike’s brakes do not work as well under wet
or icy conditions as they do under dry conditions.The braking distance in wet weather
will be longer than that in dry conditions. Take special precautions in wet weather to
assure safe stopping. Ride slower than normal and apply your brakes well in advance of
anticipated stops.
WARNING! Night Riding: Do not ride at night. If you have to be on your e-bike at
night or in low-light conditions, always comply with laws and regulations (local and
otherwise) for bicycle lighting. Use approved headlights (white), taillights (red) properly
axed to your e-bike in addition to all-around reectors. For additional safety, wear
light colored clothing with reective stripes, or safety yellow or safety orange clothing.
Check that the reectors are rmly secured in the correct position and clean and not
obscured. Damaged reectors must be replaced immediately.
Handlebar Stem
approximately
level with seat
or slighty lower
WARNING! The seat post must be inserted at least
up to the minimum insertion mark, or further so the
insertion line is not visible (Fig.4). If not, the seat post
may bend or break, possibly damaging the bicycle or
causing an accident.
WARNING! Handlebar stem minimum insertion
mark on traditional quill stem must NOT be visible
above the top of the headset. If the stem is extended
beyond the minimum insertion mark, the stem may
break or weaken the fork steering tube, possibly
damaging the bicycle or causing an accident.
Knees slighty
bent
Fig. 2
Fig. 3
Fig. 4
Minimum
Extension
Mark
Pedal at bottom
position
Loosen saddle from seat
pillar to adjust forwards
or backwards. Tighten
when set correctly
The saddle should be moved forwards or
backwards so that the knee is directly above the
pedal when crank is parallel to the ground

User’s Manual Electric Bike
5 6
4. Routine Maintenance Check and Lubrication
WARNING! As with all mechanical components, your bicycle is subjected to
wear and stress. Dierent materials and components may react to wear or fatigue in
dierent ways. If the design life of a component has been exceeded it may suddenly
fail, possibly causing injuries to the rider. Any types of cracks, scratches, or change
of coloring in highly stressed areas indicate that the life of the component has been
reached and it should be replaced immediately.
Always inspect your bicycle before every ride.
WARNING! Use only genuine replacement parts, particularly for safety-critical
components, installed by a professional bicycle mechanic. To keep your electric
bicycle functioning well, the following routine maintenance lubrication is necessary
(refer to Fig. 5):
Half-Yearly: Remove, clean, and lubricate chain, derailleur(s), cog set, and all cables.
Check and replace as required.
Weekly (or as needed): Wash bicycle with warm soapy water. Dry with a soft,
nonabrasive cloth. Do not use strong chemicals or abrasives. Do not use a high-
pressure washer. Inspect your bicycle while cleaning.
A-Tires
Check for cuts and wear maintain
pressure indicated on tires wall for
maximum eciency
J-Stem
Ensure stem nuts and bolts are tight.
T- Chain Cover
Check the chain cover is secure and
undamaged, replace if necessary.
B.C- Wheel
Check that axles are sealed and secured
properly. Rim should be kept free from
wax, oil, grease and glue. Check for
loosed or missing spokes. (see warning
below)
K-Handlebar
Check handlebar bolt is tight. Check
brake lever securely mounted to
bars and brakes stop smoothly and
eciency.
U-Pedals
Lightly oil; bearings monthly.
D-Wheel Hub
Grease bearing monthly. Adjust cones
to avoid free play side to side.
M-Bell and Grip
Check them are clean and tight.
V-Pedals reector
Check all tting are secure.
E-Fork
Dealer adjustment only
L-The Electrical Parts
You can refer to the manual for
electrical parts
L-The Electrical parts
You can refer to the manual for
electrical parts
F-Mudguard
Check the mudguards are clean and
tight. Ensure the mudguard are secure
and undamaged. Replace if necessary.
F-Mudguard
Check the mudguards are clean and
tight. Ensure the mudguard are secure
and undamaged. Replace if necessary.
X- Bottom Bracket
Clean, re-grease yearly checking for
wear.
G-Brake
Lightly oil exposed cables monthly.
Maintain adjustment and replace brake
blocks when worn, brake cables when
frayed.
Q-Rear Carrier
Check the painting is OK, and no
breakage.
H-Battery Lights (Front and Rear)
Ensure the front and rear battery light
are secure and undamaged, Replace if
necessary.
H-Battery Lights (Front and Rear)
Ensure the front and rear battery light
are secure and undamaged, Replace if
necessary.
H-Battery Lights (Front and Rear)
Ensure the front and rear battery light
are secure and undamaged, Replace if
necessary.
S-Chain
Keep light oiled weekly, clean and lubri-
cate haft yearly.
WARNING! Every six months, your pedal electric assistance bicycle should be
professionally checked to ensure that it is in correct and safe working order. It is the
responsibility of the rider to ensure all parts are in working order prior to riding.
5. Assembly Instructions
Following is important information and instructions for assembling and maintaining
your new electric bicycle.
Step 1: Unpacking Your Bike
1. Remove your e-bike from the box.
2. Watch-out for staples and sharp edges as you lift the bike out of the box. A friend
can make this easier. Do not lay at and cut-out the bike from the box - you may
damage the bike.
3. Cut all of the packing zip ties. Detach all parts that are tied to the frame. Be careful
not to cut/scratch the bike, particularly the tires and cables when removing the ties.
4. Do not attempt to rotate the handlebar/fork until you are sure all zip ties and
packing have been removed, otherwise you may damage the bicycle. Carefully examine
the carton for loose parts and make certain that no parts are remaining in the box.
5. Rotate the handlebars (and fork) to face forward.
6. Examine your new bike for any visible damage which may have occurred during
shipping.
Fig. 5

User’s Manual Electric Bike
Step 3: Seat Assembly (Refer to Fig. 10)
2.1 - Assembling the Saddle onto the Seatpost:
1. Loosen the seat clamp nuts - both sides equally.
2. Insert the seat post into the seat clamp. Make sure the seat post is rm against the
seat clamp limit.
3. Re-tighten the seat clamp nuts equally on both sides (hand tight).
4. Insert the seat post into the frame seat tube and rotate the seat until the tip of
the seat is directly above and in-line with the top tube of the frame. You can nish
tightening the seat now or after Step 2.2. Do not sit, or test saddle until completing
Step 2.2!
Adjustment
Nut
Closed
Open
Fig. 8 Opening and Adjusting a Quick Release
Step 2: Front Wheel & Front Fender Installation
2.1 Installing the Front Wheel
1. Remove the plastic dropout protector from the metal shipping axle. (Fig. 6)
2. Unscrew and remove the metal shipping axle from the fork dropouts. use photo
attached. You can discard or save this device in case you ship or transport your bike
with the front wheel removed. Suggest you inate the tire to make centering the wheel
in the fork easier (point 4 below).
3. Loosen the axle nuts on the front wheel. Lift the front of the bike and insert the front
wheel into the fork dropouts (a helper can make this easier). Insert the tab of the safety
washers into the small holes on the outside of the fork dropouts. (Fig. 7)
4. Inspect the wheel to make sure it is centered in the fork. Tighten each axle nut a
little at a time (15mm or adjustable wrench), alternating between sides, until each axle
nut is properly tightened.
2.2 Installing the Front Fender
1. Locate the long bolt, washer, and nut which will either be in the parts bag/box or
inserted in the top of the fork.
2. Slide the fender in place from the back of the fork. Insert the long bolt through the
top/center fork hole from the front of the bike. At the rear of the fork hole, place the
bolt through the fender mounting tab with the washer and nut. While pushing the
fender tab up as far as it will go, tighten the bolt and nut to secure the fender to the
top of the fork (Fig. 8)
3. Position the fender braces to the mounting holes on the fork dropouts. It’s okay to
squeeze inward as these braces are designed to be pliable. Partially thread the screw
through the fender brace end hole and into the dropout - repeat for the other side.
When both braces are partially attached, tighten the brace screws to complete the
install (Fig. 9)
4. If the fender is not straight, or rubbing the tire, that’s okay! As mentioned above, the
fender braces can be bent to center the fender. Gently adjust the fender by hand until
it’s straight.
NOTE: Rear Fender Adjustment: The rear fender is installed at the factory and should
be good-to-go. However, it may require some small adjustment due to shipping. Follow
2.2 step 4 to straighten as necessary or a combination of loosening the brace end
bolts, retightening, and centering.
Fig. 6 Fig. 7 Fig. 9
Fig. 8
Tip of Seat
Seat Clamp
Seat Post
Seat Tube
Seat Clamp Nut
Minimum
Insertion Line
Top Tube
Seat Post Binder
Bolt and Nut
Fig. 7 Seat Assembly
Fig. 10
WARNING! The seat post must be inserted into the seat tube at a depth where the
minimum insertion line is not visible!
2.2 Inserting the Seat/Seatpost Assembly Into the Frame Seat Tube, Quick-Release
Seatpost Clamp:
1. Open the seat post quick release lever (Fig.11). Insert the seat post into the seat tube
to sucient depth so that the minimum insertion line is no longer showing.
NOTE: The lever should require some force to close. If it closes too easily and does not
hold the seat post in place, or if the eort to close the clamp is too great, adjust the
clamping force by loosening or tightening the adjusting nut on the side opposite the
lever.
2. When you are satised with the height of the seat post, close the seat post quick
release lever. The tightness of the
lever is adjusted by rotating the
adjustment nut opposite the quick
release lever. Turn the nut by hand to
adjust the tension while holding the
lever stable.
Fig. 11
Safety Washer
Fork
Dropout
Small Hole
7 8

The handlebar has been pre-assembled together with brake levers, shifter levers and
grips. Be sure that the longer cable is xed to the right lever (rear brake) and shorter
cable to the left (front brake). (NOTE: In some areas, such as the UK, the cables are
required to be arranged in the opposite way).
Your e-bike may be tted with an adjustable stem, a standard quill stem, or a
threadless stem (Refer to Fig. 12). Regardless of stem type, always check that all the
bolts are tight before riding. Respect the stem type and follow the instruction below:
1. For Quill Stem: Insert the handlebar stem into the fork steer tube to the minimum
height line that is marked on the side of the handlebar stem. It may be necessary to
loosen the stem Expander Bolt so that the stem can slide into the fork tube, until you
get your desired height of the handlebar stem.
For Threadless Stem: Slide the stem over the fork steer tube.
2. Align the handlebar stem with the front wheel (See Fig. 13). Securely tighten the stem
bolt(s). Note: Some models require a 6mm hex key. (Tightening torque: 18N.m or 14foot
lbs.torque).
3. Positioning the Handlebar:
• Loosen the stem handlebar clamp bolt (Quill) or hex bolts (Threadless).
• Position the handlebar at the desired angle. Make sure the handlebar is in the
center of the stem handlebar clamp.
• Tighten the handlebar clamp bolt (tightening torque: 18N.m or 14footlbs.lbs).
4. Be sure that your handlebar and stem assembly is properly tightened before riding.
The handlebar and stem should not rotate in the stem up or down or in the fork from
left or right. (Fig. 13)
Step 5: Installing Pedals (Refer to Fig. 14)
The pedals are marked with either a “R”(Right) or “L” (Left) on the threaded end of the
pedal axle.
Screw the pedal marked by” R” into the right side of the crank assembly (chain side of
bicycle). Turn the pedal (by hand) in the clockwise direction. Tighten securely with a
15mm open-end, 15mm pedal specic wrench, or adjustable wrench (tighten to torque:
34N.m or 26 lbs).
Screw the pedal marked by “L” into the left side of the crank assembly. Turn the left
pedal (by hand) in the counterclockwise direction. Tighten securely with a 15mm open-
end, 15mm pedal specic wrench, or adjustable wrench (tighten to torque: 34N.m or 26
lbs).
9 10
Compression Bolt
Compression Cap
5 Star Washer
Stem
Bolts
Extension
Fork Tube
Expander Wedge
Expander Bolt
Spacers
Bearing Seat
Top Cups with
Bearings Inside
Fig. 9
Handlebar Stem
Handlebar
Clamp Bolt Handlebar
Front Wheel
Center Line
Fig 10. Handlebar and Handlebar Stem Assembly
Fig. 11 Attaching Pedals
Step 4: Handlebar & Handlebar Stem Assembly (Refer to Figs. 12 & 13)
Fig. 12
Threadless: Quill:
Fig. 14
Fig. 13

User’s Manual Electric Bike
11 12
Step 6: Brake Adjustments
The brakes on your bicycle should be correctly adjusted from the factory. However, as
cables do seat and stretch. It is important to check the function of your brakes after
your rst ride. Most brakes will need some adjustment after being used a few times.
Basic Disc Brake Adjustment
The following instructions are not exhaustive. We strongly suggest you take your bike
to your place of purchase, professional bike shop, or certied ebike mechanic for
assembly, adjustment, and maintenance.
A. Brake Lever and and Brake Pad Travel Adjustment
You can adjust the amount of braking leverage by adjusting the brake lever travel and
by the closeness of the brake pads to the brake disc.
Brake Lever/Cable Adjustment: To adjust
the travel of the brake lever, loosen the
Locking Collar A1 (away from lever body),
turn/unscrew the Adjusting Barrel A2
(what the cable enters) left/counter-
clockwise which tightens cable tension
and increase lever travel & leverage, this
will bring the caliper brake pads closer to
the disc (Fig. 15). If the pads are rubbing
against the disc, reverse the process.
If you have tuned the Adjusting Barrel
to its maximum and the lever travel is
still excessive you will have to adjust the
space between the pads and the disc.
Tighten the Locking Collar up to the lever body.
Additional adjustments at the caliper (Fig. 16).
Caliper Adjustment: Insert a hex key into the smaller hole inside hex key hole B
(Fig.16). Rotating the allen key clockwise/right pushes the outer brake pad forward by
approx.0.8mm. After each turn, check the braking function, so the pads are close, but
do not rub the disc.
Fig. 13 Brake Lever Adjustment
Fig. 14 Disc Brake Pad
Adjustment
Fig. 15 Disc Brake Pads
Adjustment
Smaller Keyhole
Inside Main Hole
Fig. 15
Fig. 16 Fig. 17
Once the correct amount of travel has been reached, centre the brake Caliper on the
disc by adjusting screw C (Fig. 17). When the brake pads are centered on the disc the
wheel should spin freely with no rubbing. Upon applying the brake(s), there may be
a slight amount of noise until the pads “bed” in, this should stop after your rst ride.
Make sure there is no oil or grease on your hands or on the disc which can degrade
brake performance.
B. Checking Brake Pad Wear, Pad Replacement
Pads that are 1mm thick (or less) need immediate replacement (Fig. 18).
To install new pads, remove the brake caliper from the fork or frame by unscrewing
hex bolts D (Fig. 19). Unscrew (left/counterclockwise), the smaller hex bolt inside allen
bolt B (Fig.14). Lift up and pull the inner pad downward, using the protruding tab. Slide
a thin slot screwdriver under the outer pad and lift it up. Hold the screwdriver in this
position and remove the pad with a pair of long- nosed pliers.
Remove the springs from the worn-out pads and t them onto the new pads. Replace
the new pads, keeping them slightly inclined into the seat of the Caliper.
Check that the spring hooks correctly onto the small piston. (When pulling downwards
the pads should not come out). Ret the Caliper to the fork (or frame for rear brake).
Turn adjuster screw C (Fig.17) until the pads are centered on the disc and the wheel
spins freely. Again, there may be some noise from the brake until it “bed” in. You may
have to adjust the cable tension and lever adjustment - follow previous Step A. Brake
Lever and and Brake Pad Travel Adjustment.
We strongly advise you have your brakes periodically checked and maintained by your
dealer or a professional bicycle mechanic.
Fig. 16 Fig. 17
Fig. 18 Fig. 19
A1
A2

User’s Manual Electric Bike
Step 7: Derailleur Gears Maintenance and Adjustment
The gears/derailleur(s) on your bicycle should be correctly adjusted from the factory.
However, as cables do seat and stretch. It is important to check the function of your
shifting after your rst ride. It is not unusual for your shifting system to need some
adjustment after being used a few times.
We strongly recommend you have your e-bike serviced by your dealer or professional
bike shop/mechanic.
To ensure long life and eciency for your drivetrain system, it must be kept clean and
properly lubricated. Before attempting any adjustments, make sure you understand the
drivetrain components functions and feel condent to attempt such maintenance.
• Left shifter controls the front derailleur and chain wheel(s); Right shifter controls
the rear derailleur and rear cogset.
• The largest/larger rear sprockets on the cogset are the low [speed] gears used for
hill climbing and low speed technical riding; the smallest/smaller rear cogs are for
cruising and high(er) speed and downhill riding.
• For maximum eciency, best riding experience, and long life, avoid using
“crossover” gears, for example: the large front chainring with the large rear cog,
OR or the small front chainring with small rear cog.
NOTE: For good shifting and riding experience, follow these 4 actions:
1) Shift only when pedaling (forward), do not shift when stopped.
2) Do not use hard, aggressive pedal pressure while changing gears.
3) Never back pedal when changing gears.
4) Never force the gear shifting levers.
Rear Derailleur Adjustment:
There are two limit adjustment screws on the rear derailleur - High/”H” and Low “L”.
Looking from the rear of the bike forward, the limit adjustments center the chain on
the high/large and low/small rear cogs which prevents the chain from going over the
large cog and into the wheel/left (the “H” or high adjustment screw) or into the frame/
right (the “L” or low adjustment screw).
First, the derailleur cable tension needs to be correct:
Position the shifter(s) so the chain is on the smallest rear cog and largest front sprocket
- check for cable slack at point “B” (Refer to Fig. 20). If there is slack, loosen the cable
nut or hex bolt, pull the cable with pliers and retighten the cable nut/bolt while pulling
cable taut (tightening torque: 5-7N.m or 4-5 lbs)
High/Large Cog (“H”) Limit Adjustment
Turn the “high limit” adjust screw marked “H” on the rear derailleur so that, again
looking from the rear, the upper guide pulley is below the vertical plane of the center
of the top/large cog.
Low/Small Rear Cog (“L”) Limit Adjustment
Turn the “low limit” adjust screw marked “L” on the rear derailleur so that, again
looking from the rear, the upper guide pulley is below the vertical plane of the center
of the low/small cog.
1) Operate the shift lever to shift the chain from top gear to 2nd gear.
• If the chain will not move to the 2nd gear, turn the cable adjusting barrel on the
rear derailleur to increase the tension (counterclockwise)
• If the chain moves past the 2nd gear, decrease the tension (clockwise)
2) Next, with the chain on the 2nd gear, increase the inner cable tension while turning
the crank forward. Stop turning the cable adjusting barrel just before the chain make
noise against the 3rd gear. This completes the adjustment.
Make sure the drivetrain is clean. We suggest “dry” lubricants for most applications.
Step 8: Check Before Riding
Make sure the wheels are tight and secure. Tighten the front and rear hubs nuts
securely. (Tighten torque: about 30N.m for front wheel, about 25 ot 30 N.m for rear
wheel).
For Quick-Release (QR) hubs/axles, make sure the QR levers are in the locked/closed
position. Before riding, lift the front of the bicycle so that the front wheel is o the
ground, lightly bounce it to the ground and give the top of the tire a few downward
strikes. The wheel should not wobble or come o and there should be no rattling. Do
the same for the rear wheel.
Small Front Sprocket
Large Front Sprocket
(Front Derailleur)
Chain Guard
Spoke Protector Smallest Rear Sprocket
Point “B” Tension Roller
Sprocket Cluster
Largest Sprocket
Cable
Chain Line
Chain
Pulleys
Largest Rear Sprocket
(Rear Derailleur)
Fig. 18 Check for Cable Slack
13 14
Fig. 20

User’s Manual Electric Bike
Section II- Electrical Components Operation, Maintenance, & Safety
The e-bike in this manual features “Start Aid”. This electric assistance system will help
riders save their energy when starting the bike rolling.
How Start Aid Works: When pressing the Start Aid button, the bike can be started at a
speed of ~3.5MPH (6km/h). When the bike starts moving forward, start to pedal and
release the “Start Aid” button.
Note: You can pedal one crank revolution to start the motor without using the “Start
Aid “button.
Contents:
1. Important System Caution notices
2. Operation
3. Battery Installation & Usage
4. LCD Function Indicators
5. Using and Maintaining the Battery
6. Using and Maintaining the Battery Charger
7. Using and Maintaining the Electric Hub Motor
8. Maintaining the Controller
9. Maintaining the Power-o Control of the Brake Lever
10. Simple Troubleshooting
11. Electrical Circuit Diagram and Specications
12. Main Technical Specication Sheet
1. Important Safety Precautions
• We strongly advise wearing an approved helmet which meets local safety
standards.
• Obey local trac rules when riding on public roads.
• Be aware of trac conditions.
• The rider must be over 14 years old.
• Have your bike serviced only by authorized bicycle shops.
• Regular servicing will ensure a better performance and a safe riding experience.
• Do not exceed more than 220lbs (100kgs) on bicycle, including the rider and cargo.
• Never have more than one rider on the bicycle.
• Follow the regular maintenance schedule in this owner’s manual.
• Do not open or attempt maintenance on any electrical components yourself.
Contact your local bicycle specialist for qualied service when needed.
• Never jump, race, perform stunts, or abuse your bicycle.
• Never ride under the inuence of intoxicating drugs or alcohol.
• Do not ride at night. If riding at night, low-light, or poor weather conditions is
unavoidable, we strongly recommend using front & rear lights, reectors, and
bright, safety clothing.
• Wash with mild soapy water. Dry immediately with a soft, non-abrasive cloth.
• Do not use strong chemicals or abrasives.
WARNING! Do not direct water spray at hubs, bearings, and electrical components
and NEVER use a high-pressure washer - these actions may damage electrical
components and bearings (bottom bracket, hubs, headset).
2. Operation
Your new electric assistance bicycle is a revolutionary means of transport, using
an aluminum frame, Li-Ion battery, a super high eciency electric hub motor, and
controller with electric pedal assistance system, to support normal pedaling. These
components will ensure safe riding with excellent function and performance. It is
important for you to note the following guidelines to ensure getting the best possible
experience from your electric bicycle.
2.1 Always check your bicycle before riding.
2.1.1 Before riding, check that the tires are fully inated as indicated on the tire
sidewall.
Remember, performance of the bike and battery range is directly related to the weight
of the rider and baggage/load, together with the stored energy in the battery. Battery
range/performance can vary signicantly based on terrain, load, & weather conditions.
2.1.2 Charge overnight, prior to riding the next day.
2.1.3 Clean and apply chain lube periodically as needed. With a soft rag or towel, wipe
o excess lube. Clean and lubricate half-yearly (minimum).
3. Battery Installation & Usage.
Retrospec Beaumont Rev 36V/350W & 48V/500W E-bikes have the battery positioned
within the rear carrier (the battery pack is directly connected to the controller box in
the front of the carrier (Fig. 1)
The battery housing (that which the battery slides into) is attached to the carrier by
screws. Then the entire Battery Pack is locked into the Battery Housing by the key -
see the operation details below. (Fig. 2)
1) Insert and slide the Battery Pack horizontally into the Battery/Controller Housing,
and push it into the housing/slider and ensure a snug t.
2) Make sure the Battery Pack is rmly pushed into the controller housing and its
connector is securely inserted inside the controller box.
Fig. 1
Fig. 2
15 16

User’s Manual Electric Bike
17 18
From the initial 12 o’clock position (battery and carrier are unlocked), insert the key
into the key slot, press and turn it clockwise to 6 o’clock position (battery now locked
into the housing). Reverse steps to unlock.
Battery Charging
You can charge your battery while installed on the bike or removed for remote
charging. If your bike is near an AC outlet, you can charge it with your bike’s battery still
installed. The charging port is covered by a plastic cap (Fig. 4).
Alternatively, you can remove the battery for charging. This feature is useful in small
areas where the bike will not t or AC power supply is not near the bike.
Following the steps above:
• Make sure the battery is unlocked before removal.
• Make sure the switch is o.
• Remember to keep your key secure!
WARNING! Use only the charger provided with the electric bike, otherwise damage
could occur to your battery and void the warranty. When charging, both battery and
charger should be minimum 4 in (10cm) away from the wall, and in a cool, ventilated
environment. Place nothing around the charger while in use!
4. LED and Functions
4.1 Power Start-Assistance: “+” Button gives ~4mph (6kmp) power assist (Fig. 5):
Mount your bike, and with the display On, press the lower “+” button for power-
assistance up to the speed of ~4mph (6 kph) when you keep pressing this button.
After the motor starts and the bike is running, simply release the button to switch to
[power assist] pedaling (at your selected level). (Fig. 5)
4.2 Handlebar-mounted Battery Power Display Panel:
Turn on the power. Four LED lights indicating the power levels will be displayed
from low (bottom) to high (top) power levels. When all 4 LED Power Level lights are
lit, this indicates a full, 100% battery charge.
When the low/bottom light is ashing, this is a
warning indicating the battery should be charged
immediately before [additional] riding.
4 LED lights on: power is 100%
3 LED lights on: power is 70%
2 LED lights on: power is 50%
1 LED light on: power is 25%
1 LED light is on and ashing: power is near zero
(less than 5%)
The battery needs to be charged immediately.
4.3 Selecting Pedal Power Assistance Level on Handlebar Display Panel:
When the power is on, you can shift to 3 pedal power assistance levels: Low, Middle,
& High. Press the “-” button or “+” button, to shift the pedal power assistance levels
between the lowest and highest levels.
Setting the Pedal Power Assistance Level:
When the power is turned on, the pedal power assist level defaults to the “middle/
medium” 2nd LED light.. From there, press the “+” and “-” buttons to increase or
decrease pedal power assistance respectively .
Assistance Level - Riding Conditions
High Assistance Level: More electric power, less human propulsion are applied to the
bike. Suited for uphill, head wind, or heavy load riding.
Middle Assistance Level: Electric power and human propulsion are applied almost
fty/fty to the bike. Suggested for riding on at paved roads, cruising, and moderate
tness.
Low Assistance Level: Less electric and more human propulsion applied to the bike.
This is the maximum electric power savings (economic) level. Suggested for tness,
lower speeds, technical riding, crowded [multi-use] paths.
Power Saving Alert: Using the 4 LED lights, the power display panel can alert users to
turn o the power to save energy/riding range.
If the user forgets to turn o the power (battery) switch; after being stopped for ve
minutes the four LED lights will “cycle” - light-up one after another. This reminds the
user to promptly turn o the power to save energy/riding range.
WARNING! Turn o the main switch on the battery as soon as you are done riding.
This is very important for saving the battery charge. This will extend your riding range
and reduce “top-o” charging during rides.
Fig. 3
Fig. 5
Fig. 4
NOTE: Battery Lock (Fig. 3)

User’s Manual Electric Bike
19 20
5. Using and Maintaining the Battery
5.1 Advantages of Lithium Batteries
Your electric bicycle is equipped with high-quality lithium batteries which are a green
energy source with reduced environmental impact and have the additional
advantages of:
• Charging without “memory” eect
• Large energy capacity and output, small volume, light weight, suitable for high
power
• Long life
• Wide temperature working range of: 14F-104F (-10°C to +40°C)
5.2 Using and Maintaining the Battery
For long battery life and to protect it from damage, use and maintain it following the
guideline below:
• While riding, periodically check your battery charge level on your
handlebar mounted Display Panel. If you notice the battery charge
is 5% or less, charge immediately!
• Make sure you have a full charge before taking a long trip.
• To check the battery charge on the battery itself: Press the button
on the end of the battery case.
• All 5 lights all blue color - battery is fully charged.
• If, for example, only 2 lights, charge promptly. (Fig. 6)
• If the bike is ridden infrequently, or stored long term, it must be
fully charged every 2-3 months.
WARNING! As mentioned above, long term storage, without periodic charging
may reduce battery life.
• Never use any metals to directly connect the two poles of the battery, otherwise,
the battery will be damaged due to short circuit, and warranty voided.
• Never put the battery near to re or heat source.
• Never strongly shake, slam/drop, or throw the battery - damage is likely.
• When the battery pack is removed from the bike, always keep it out of reach of
children to avoid and reduce the chance of accidents.
• Do NOT disassemble the battery - never.
IMPORTANT! Always read the owner’s manual before charging the battery!
IMPORTANT! Read the following points about the battery charger.
6. Using and Maintaining the Battery Charger
• Do not use this charger in an environment of gas and corrosive substances.
• Never strongly shake, slam/drop, or throw the battery - damage is likely.
• Always protect the battery charger from rain and moisture!
• Ideal operating temperature for the battery charger is: 14F-104F (-10°C to +40°C).
• Do NOT disassemble the battery charger - never.
• Use only the charger provided with your electric bike. Otherwise damage could
occur to your battery, battery charger, and void the warranty.
• When charging, both battery and charger should be minimum 4 in (10cm) away
from the wall, and in a cool, well ventilated environment. Place nothing around or
on the charger, while in use!
Fig. 6
Procedure for Charging
Charge the bike battery according to the following procedure:
1. When charging the battery by AC (house/wall plug), it is not necessary to be on.
2. Securely insert the charger output plug into the battery, then plug the main cable of
the charger into a reachable AC (wall plug) outlet.
3. During charging, the LED on the charger pack will be RED showing charging is in
process. When the light on the charging pack turns GREEN, charging is complete.
4. Upon full charge (GREEN light), FIRST disconnect the charger pack from the AC (wall
plug); SECOND disconnect the charger output plug from the battery pack. FINALLY,
close the charging socket cover on the battery - make sure it is securely closed.
7. Using and Maintaining the Electric Hub Motor.
Retrospec intelligent e-bikes are programmed to start with the electric assistance
(“Start-Aid”) after a rotation of the pedals (crankset).
• Do not use this bike in ood waters, heavy rain.
• Do not immerse, submerge the electric parts in water - damage will likely happen.
• Avoid impacts to the hub motor, the aluminum alloy hub cover may break.
• Regularly check the screws on both sides of the hub motor; tighten them as
necessary even if they are only a bit loose.
• It is necessary to periodically check the cable connection to the motor.
8. Maintaining the Controller.
Retrospec e-bikes have the Controller (the e-bike “brain”), positioned at the bottom
and inside the battery pack holder/housing. The Controller is a critical component for
your e-bike system. It is very important to follow the care guidelines below:
Do not immerse, submerge the electric parts in water - damage will likely happen.
NOTE: If you think water may have got into the control box, switch-o the power
immediately and pedal without electric assistance. You can pedal with electric
assistance as soon as the controller has dried out.
As with the battery, hub, display and other electrical parts - Never strongly shake,
slam/drop, or throw the Controller - damage is likely.
As with the battery, the best operating temperatures for the controller is: 5F-104F
(-15°C to +40°C).
The controller should be used in normal working temperature range from
-15°C to +40°C
WARNING! NEVER open the controller box. Any attempt to open the controller
box, modify or adjust the controller will void the warranty. Please ask your local dealer
or authorized service specialist to repair your bike.
9. Maintaining the Power-O Control of the Brake Lever
This is a very important component for safe riding. Pay close attention to protect it
from impact and damage. Regularly check that it is securely fastened to the handlebar.

User’s Manual Electric Bike
21 22
10. Maintaining the Throttle Lever
Take care to protect the throttle from impact or damage. If your bikes falls or you are
in a crash, make sure to check the throttle function before riding.
Periodically check that the throttle cable is securely plugged-in to the throttle body. If
not, check and plug it in again.
11. Simple Troubleshooting
The information below is for diagnosing problems only. It is not a recommendation
for the user to carry-out repairs. Any remedy outlined must be carried out by a
professional e-bike repair person who is educated on the safety issues with bikes &
e-bikes.
After the main battery switched on, the
motor does not generate assistance
when pedaling.
1)the motor cable (waterproof
connection joint) is loose;
2) brake lever did not return well,
which keeps the switch in “power o”
position;
3) battery fuse is broken;
4) the speed sensor
is too far away from the magnetic ring
on the B.B. axle;
5) the connection between the sensor
and the controller is loosen or not
connected well.
First of all, please check the battery if
it is empty. If yes, charge the battery
immediately. 1) check if the connection
is securely xed. If loose, joint them
tightly. 2) make the brake lever come
back to its normal position with care,
without braking; 3) open the battery
pack top, and check if the fuse is bro-
ken. If yes, please visit your vendor or
authorized service for installing a new
fuse; 4) adjusting the distance between
the magnetic ring and the sensor, to
make sure the distance is within 3mm;
5) x tight the connection between the
sensor and the controller.
The distance per charge becomes short
(Note: performance of the bike battery
is directly related to weight of the rider
and any baggage/load / wind / road /
constant braking).
1) charging time is not enough; 2) the
environment temperature is so low that
it aects the battery working. 3) fre-
quently going uphill, or riding with head
wind, or on poor road condition, 4) the
tyres have low pressure (to be inated);
5) frequently braking and starting. 6)
battery has been stored without using
for quite a long time.
1) please charge the battery according
the instruction (chapter 7.3); 2) in winter
or under 0°C, you’d better store the
battery inside the house; 3) it will be
normal if the riding conditions are
improved as regular; 4) pump the tyres
and ensure tyres are fully inated
to 45psi for your bike; 5) it becomes
normal when the riding situation will be
better. No worry about such a trouble;
6) make regular charging according to
this instruction manual (refer to Chapter
6.3 ) If the above has no eect, please
contact your vendor or authorized
service.
After plugging the power outlet, no
charger indicator LED is lit.
1) trouble from the power outlet;
2) poor contact between charger input
plug and power outlet;
3) the temperature is too low.
1) check and repair the power outlet.
2) check and insert the power outlet
tightly. 3) charge it in house.
If the above has no eect, please
contact your vendor or authorized
service
.
After charging over 4-5 hours, the
charger indicator LED is still red, while
the battery is still above not full (Note:
it is very important to charge your bike
strictly according to this instruction
stated in Chapter 7, to avoid any trouble
and damage occurred to your bike.
1) environment temperature is 40°C
and above.
2) environment temperature is under
0°C.
3) failed to charge bike after riding,
resulting in over discharge.
4) the output voltage is too low to
charge the battery.
1) charge the battery in an area under
40°C, or according to this instruction
chapter 7;
2). charge the battery inside the
house, or according to this instruction
chapter 7;
3) please well maintain the battery
according to the Chapter 6.3 to avoid
natural over-discharge;
4) no charging when the power supply is
lower than 100V.
Trouble Description Possible Causes Trouble Shooting

User’s Manual Electric Bike
23 24
I. Motor wire is connected with motor 1. Green (motor HA) 2. Yellow (motor HB) 3. Blue (motor HC) 4. Red (+5V) 5. Yellow (motor H2) 6. Green (motor H3) 7. Blue (motor H1) 8. Black (ground) 9. White (wheel speed signal)
II. Power wire is connected with the power 1. Red (36V) 2. Black (ground)
III. 1. Red (+36V) 2. Blue (lock cable) 3. Black (-36V) 4. Green (signal TX) 5. Yellow (signal RX) 6. Purple (5V) 7. Grey (throttle signal SP) 8. White (brake signal BKL)
V. Display wire is connected with the display 1. Yellow (displayer signal ZF) 2. Green (displayer signal IL) 3. Blue (lock wire) 4. Black (-) 5. Red (+)
V. Brake lever wire is connected with the brake lever 1. White (brake signal) 2. Black (5V)
VI. Throttle 1. Purple (+5V) 2. Grey (signal) 3. Black (ground)
VII. Power wire of the speed sensor is connected with the controller 1. Blue (signal) 2. Red (+5V) 3. Black (ground)
12. Main Technical Specication Sheet
Please nd model name of your bike below:
Here is some of the general technical data for this electric bike:
Please nd the crossed technical data regarding the bike motor below:
Please nd the crossed technical data battery and charger below:
Maximum Speed with Electric Assistance:
Motor Type:
Battery Type:
Model
Maximum Output Power:
25km/h ±10%
Brushless with Starry Gears_with Hall
Lithium
Remark (for reference)
500W
36V
Distance per Full Charge:
Maximum Riding Noise:
Voltage:
BEAUMONT REV 36V/350W
Rated Voltage:
36V: 40~50k (total loading ≤75kgs
<60db
36V
13 ± 1A
350W
10.4Ah
31.5V ± 0.5V
Over Current Protection Value:
Rated Power:
Capacity:
Under Voltage Protection Value: