FAFREES FF91 User manual

EN DE FR IT ES
FF91 Electric Bicycle
User Manual

Congratulationsonyourpurchase!
Please write down your frame number in the blank space below in
case of future need.
Bitte notieren Sie Ihre Rahmennummer in das leere Feld unten, falls
Sie dies in Zukunft benötigen.
Veuillez noter votre numéro de cadre dans l'espace vide ci-dessous
en cas de besoin futur.
Si prega di annotare il numero di telaio nello spazio vuoto
sottostante in caso di necessità future.
Escriba su número de cuadro en el espacio en blanco a
continuación en caso de que lo necesite en el futuro.
Frame number

Catalog
English
Deutsch
Français
Italiano
Español
01-17
18-34
35-51
52-68
69-85

ImportantNote
A) This manua l include important safety performance
information and service information. Please make sure you have
read the following warning content before the first time you use our
product.
B) lf you borrow your electric bicycle to other people, please let
the user read this manual it could help to decrease the risk of
accident.
)
C Please wear a suitable and safe helmet while riding, please
wear clothes with fluorescent and reflective stripes when you ride at
night. Don’ t exceed speed limit, it is one of the main causes of traffic
accident, and abide by the traffic rule.
)
D Do not touch the charging hole or touch it with metal objects,
otherwise it will cause an accident due to an instantaneous short
circuit of the current.
)
E Zero starting, braking frequent, driving against the wind,
carrying people or anything, insufficient air pressure on the tires will
use more power, and then reduce the endurance mileage. lf you want
the best endurance mileage , please do as follows:
1.Use assist mode .
2.Don’t brake frequently or use zero starting .
3.Don't overload .
4.Before riding, please check the tire pressure, and supply
proper pressure.
01
)
F The E-bike should avoid prolonged exposure to the sun or
rain , avoid storage in places with high temperature or corrosive gas
,so as to avoid electroplating parts and paint surface by chemical
corrosion and electrical parts damage , resulting in operational
failure and accidents .
)
G When charging the E-bike , please make sure that there is no
foreign matter in the charging port . Connect the charger to the
bicycle first , then connect the AC power to avoid sparking.
)
H When the E-bike is not used for a long time , please turn off
the main switch in time and charge it in time. Store the battery after
fully charged, and charge it frequently if not been used for a long
time , so as to avoid serious power loss of battery.
)
I Your current insurance business may not cover the situation
you may encounter when riding an electric bike , please contact your
insurance company or insurance broker for relevant consultation .
)
J Follow the local road laws, riders under 18 years old should
get parental permission before riding it.
)
K E-bikes are vehicles with certain risk factors . At the same
time , when emergency, brake the rear wheel first , then brake the
front wheel. There is a danger of tipping over if you brake the front
wheel suddenly, please ride carefully.
)
L Keep the two keys properly. If necessary, you should get more
spare keys.

Structureillustration
02
Headlight
Rear brake
Saddle
Seat post quick release
Seat tube
Handlebar
Stem
Front fork
Shock absorber
Brake disc
Pedal
Crank
Chain
wheel
Front
derailleur
Valve
Tire
Motor
Rearderailleur
Chain
Valve
Brake disc
Hubs
Front brake
Rim
Tire
Folding
system Quick lock
Key hole

Key hole Battery charging port
03
Display Rear shift lever
Speed control handle
Shift button
Display switch
Brake power off system
Grip
Front shift lever
Horn switch Front Light switch

04
Pedals*2
Charger*1
E-bike electric bicycle package, It includes the following parts in the package box. Please check it when opening.
Any lack or loss, please contact the local official distributor/dealer or after-sales department.
E-bike
Front reflector*1 Tool*2
Front wheel*1
Battery*1
No.
Part Name
Qty(piece)
1
E-bike
1
24
Charger
1
56
Pedals
2
3
1
Saddle
assembly
Front
wheel
1
8 9
Tool Manual
Reflector
22 11
Battery
*Some parts are directly assembled on the bicycle
7
Saddle assembly*1
Rear reflector*1

Unfoldinginstructions
Remove the ebike from the package.
12
Take out the front wheel set and
align it with the clearance of the
front brake before installing it,
then install.
A rod is pierced on the center shaft of the
wheel. Tighten the nuts at both ends, and
then use a wrench to lock it in a clockwise
direction.
Check whether there is a gap on
both sides of the disc rotor after
locking.
First remove the four
screws of the handlebar
stem, install the handlebar
in the center position and
tighten the screws(5.1 Nm)
3
Adjust the angle of the handlebar
stem to the position perpendicular
to the frame , first lock the screws
of the stem cover, and then lock
the two screws pointed by the
arrows.
Seat post quick
release
Install the seat, adjust it to a suitable
height and fix it with quick release.
45 6
The bicycle battery has been
assembled before leaving the
factory, and can be removed
and installed later.
05
The left pedal is tightened
counterclockwise and the
right pedal is tightened
clockwise.

Batterykeypositions
Familiarize yourself with the key port and key positions before riding
the bike.The photo below shows the key port aligned in key position 1, in
line with the icon.In key position 1, the battery is in the“ ” position,
with the battery locked to the frame, and the key can't be removed.
Key Position/ICon Directions
Power off,Lock to Frame
Power on,LockedtoFrame
2
1
Initial position,UnlockedfromFrame
(forbatteryremoval)
3
Anytime the battery is in key position1, ( , Power on,Locked to
frame) the display power button will turn the bike on and off, but the
battery cannot be removed.
lf the battery is in key position.2,(  , locked to the frame) no buttons
or controls can be activated, the bike will remain off, and the battery
cannot be removed.
Anytime the battery is in key position.3,( , Initial position,Unlocked
fromFrame,(forbatteryremoval)) the battery must be removed from the
bike before moving or riding the bike. The key can be removed from
battery.
NOTICE: You have to press the key then you can switch to unlock position
3
2
1
06

Displaydescription
07
Function parameter
Item
Real-time speed
Real-time motor power
Battery power
Power-assisted level
Total mileage
Trip miles
Trip maximum speed
Trip average speed
Trip time
Calories burned
Cruise control
Front light indication
Error code
Setting menu
Automatic shutdown time
Backlight adjustment
Bluetooth function*
Specific parameters
0.0-99.9km/h
0-999W
0-100%
0-N
0-99999km
0-99.9 km/h
0-99.9km/h
Hours: minutes
0-99999 Kcal
Support
Support
Support
Support
0-10 min
0-5
Optional
0-9999.9km
Remark
Adjusable
Resettable
Need agreement support
According to the agreement
О means no automatic shutdown
Resettable
Resettable
Resettable
Resettable
1
2
3
1
2
3
ОN/OFF
UP
DOWM

Systemuse
Initial operation
Boot into the cycling interface
1.Long press the " " button and the interface is fully lit to
enter the riding interface.
Connect to Bikewise Pro
1. Long press the "+" and "-" buttons at the same time to enter the
setup menu.
2. Use the "+"/"-" button to navigate to the BLE menu option and
press the " " key. At this time, the Bluetooth icon flashes and
enters the Bluetooth search binding mode.
4. Bikewise Pro download link, please scan the QR code below to
download:
5. After the Bluetooth connection is successful, the Bluetooth icon is
always on, and the Bluetooth binding mode is automatically exited and
stays in the BLE menu option.
Control Button Operation
1."+"button:
Instrument interface
Press and hold
Menu interface
Long press
Short press
PAS level up
Cursor up/increase
-----
----------
2."-" button:
Instrument interface
Press and hold
Menu interface
Long press
Short press
PAS level down
Cursor down/decrease
6km/h push mode
-----
----- -----
3."" button:
Instrument interface
Press and hold
Menu interface
Long press
On/off
Short press
Confirm/Next
Change display info
- - - - - - - - - -
-----
Remark: Press and hold “+” and “-” together for 2 seconds to enter or exit the menu
interface; Press and hold “+” and “ ” together for 2 seconds to clear the trip data.
3. After downloading the app and registering, use Bikewise Pro to
bind the meter with Bluetooth.
08
Liability disclaimer:
The apps presented do not belong to FAFREES. We expressly disclaim all
liability of any kind whatsoever for third-party software and are not
responsible for their content, code or for any loss or damage arising from
the use of them. If you use thirdparty resources, you are subject to their
terms and conditions and licenses and are no longer protected by our
privacy policy or our security measures.
However, please note the following
-----

09
Instrumentinterface
Error indicator
Cruise control sign
push mode sign
PAS level
Range: 0-3, P
Speed ring: Speed/Limit Speed* number of grids
Bluetooth link logo
Headlight sign
Speed unit default KM/H
Power display percentage
Speed and error code display area Multi-function display area, click " " to switch
Menuinterface
In the instrument interface, long press the "+" and "-" buttons to enter the menu interface. To ensure user safety, the menu interface can only
be entered when the Ebike is stationary (speed is 0); when the speed is not 0, even in the menu settings, it will be forced to exit the menu and
return to the riding interface. In the menu interface, press the "+" and "-" button to jump through the menu items, and the " " button to enter the
selected menu item.

Set unit
When selecting the "Unit" menu item, press the " " button to confirm
KM/H or MPH.
Set the backlight brightness
When selecting the "Light" menu item, press the " " button to enter this
item, and then the "+" and "-" buttons to confirm the backlight brightness,
ranging from 1-5; then press the " " button to confirm and exit this item.
Set automatic shutdown time
When selecting the "OFF" menu item, press the " " button to enter
this item, and the "+" and "-" buttons will confirm the time, ranging from
0-10 min, where 0 means to cancel the automatic shutdown; press the
" " button again to confirm and exit This item.
Set wheel diameter
When selecting the "Size" item, press the " " button to enter this
item, and then press the "+" and "-" buttons to select the wheel diameter,
ranging from 04-99. In particular, the 27.5-inch display "27.5": press the
" " button again to confirm And exit the item.
10

Error code
When there is a fault, the error indicator lights up, and the real-time speed area is displayed as a Error code.
The Error code varies with the controller and protocol used by the customer. For specific fault information, please refer to the corresponding controller protocol
Protocol Error code:
Causes
Abnormal current or damaged MOS tube
Handle throttle abnormal
Motor phase loss
Motor Hall abnormality
Abnormal braking
Under voltage
Communication error
Solutions
1.Replace the MOS tube 2.Replace the battery
1.Plug the wire in properly 2.Replace the throttle
1.Replace the motor 2.Replace the motor adapter cable
3.Replace the controller
1.Replace the motor 2.Replace the motor adapter cable
3.Replace the controller
1.Adjust the brake lever 2.Replace the brake lever
3.Replace the controller
1.Charge the battery 2.Re-connect the battery and controller
3.Replace the controller 4.Replace the display
1.Re-connect the display an controller 2.Replace the display
3.Replace the controller
11
Error code
21
22
23
24
25
26
30

Ebike Info
APPinstructions
12
Record
Error code
notification
Bluetooth
connection
status
Ebike riding
data
Setting(Speed limit,
wheel size…)
User Guide
(articles, video…)
Click here to get
Ebike Info.
Ebike picture
could be changed.
Control light
on/off.
Nav Bar
Ebike riding
data
Your ODO
(The data you sync)
Your riding data(separate
with ebike data)
Data without track
Cycling Rank
Data with track
(When you riding with
Go function)
'Go' function, Use GPS in
Mobile phone to record track

Go
Me
13
Back to main menu
Real time speed
Ebike real-time
riding data
Open Map
Speed Bar
Start riding
Bluetooth connection
status
Riding Level
Customer service
Pair with your ebike
System message
Your profile

Productparameters
14
Dimensions
Performance
Electronics
Features
Product dimensions
Package dimensions
Tire size
Max Load Weight
Maximum Speed
Product weight
Package weight
Battery type
Battery capacity
Battery Adapter
Maximum Range
Recharge Time
Drive Type
Motor
Display
Frame Material
Front and rear brake
Speed transmission
Chainset
Chain
Rims
Front light
1620*330*810mm
1970*1145*630mm
26''*4.0 inch
150kg
35Km/h
29Kg
36Kg
Lithium-ion battery
48V10Ah
DC 54 .6V 2A
Power assisted model around 80KM
≈5H
Rear Drive
High Speed Motor / 48V 1000W
LCD Display
Aluminum Alloy
Mechanical Disc Brakes
21 Speed
24-34-42 Tooth
KMC Z7 RB
Alloy
Yes
* The above data allows for 2% manufacturing tolerance due to different batches.

Dailyuse
Step 1: The battery can be charged on and off the bike. The charging port is at the tail of the
battery.
Step2: Inset the charging port of the charger to the connecting charge port of the battery
(please make sure the charge port is dry).
Step 3: When the charger indicator turns red, it is charging; when it turns green, it is fully
charged.After fully charged, please stop charging, as long-term charge will affect the service
life of the battery.
Step 4: After charging, please cover the charging port in case water in.
Charging Method
Safety tips when charging
Please charge at least 5 hours before first use.
In order to maximum extend the battery life, please charge it every one month or two days after riding it. Please charge it under proper temperature and
environment.
Not charging timely may cause battery damage.As time goes by, battery capacity will gradually run out, and eventually lead to battery over-discharge.
Please use the battery, charger and cable provided by original manufacturer, to avoid dangers caused by battery overcharge .
Please ensure correct connection of the charger and the cable, as well as enough ventilation environment.
Please use it under dry condition. It is NOT allowed to make the charger or cable connect with water, as it may result in electric shock. Please do not
tough with wet hands. If there is any failure during charging, please immediately pull up the power plug.
Please guarantee to pull it up from the plug, not from the cable.
Please do not make the charger or cable contact sharp or high temp. articles.Please regularly make sight check to the charger and its cable
If there is obvious damage of the charger or cable, in order to avoid further damage, please do not use the charger any more, and contact for exchange.
Please do not personally repair the battery, charger or cable.Any questions, please contact us.
15
After the bike has been properly assembled according to the instruction, all components are
secured correctly. And you have read this entire manual, turn on the e-bike and select a pedal
assist level to start following the steps below.

16
Ensure proper handlebar and seat adjustment. Lowering the seat so the rider can put one or both feet flat on the ground may offer a safer and more comfortable
introduction to operating the bike. Ensure the handlebar bolts and seat post quick release are fully and properly secured.
Handlebar and Seat
Select the desired level of pedal assistance(PAS) between level 0 to 3. Using the + and - buttons to remote. Level 1 corresponds to the lowest level of pedal
assistance and level 3 corresponds to the highest level of pedal assistance. Level 0 indicates pedal assistance is inactive. Start in PAS level 0 or 1 and adjust
from there.
PAS Level
The speed control handle is used by slowly and carefully rotate the handle downward without pedaling. Do not use the throttle unless you are on the bike.
Speed Control Handle
Test the battery lock security. Ensure the key port is aligned with the icon, which indicated the battery is powered on and locked onto the frame mount.
Carefully use both hands to pull up on the battery to test that the lock is secure.
Battery Lock
Press and hold the power button “ ” for approximately 3 seconds to turn on/off the bike.
Power on/off
Long press the " " button to turn on/off the front light. Press the horn switch to remind passers-by or animals ahead when needed.
Electric Horn
Front Light
Long press " - " button for 5 seconds till the push mode mark turns up on the screen. Then the push mode is activated.
6km/h Push Mode
Accelerate the bike with the speed control handle to the speed that you want and keep for over 8 seconds. Then the cruise mode will be activated. The cruise
mode can be turned off by braking or accelerating.
Cruise Control

17
Troubleshooting
Possible Causes
Symptoms
The bike does not work
Irregular acceleration and/or
reduced top speed
The motor does not respond
when the bike is powered on
1. Insufficient battery power
2. Faulty connections
3. Battery not fully seated in tray
4. Improper turn on sequence
5. Brakes are applied
6. Blown discharge fuse
1. Insufficient battery power
2. Loose or damaged throttle
3. Misaligned or damaged magnet ring
1. Loose wiring
2. Loose or damaged throttle
3. Loose or damaged motor plug wire
4. Damaged motor
Reduced range
1. Low tire pressure
2. Low or faulty battery
3.Driving with too many hills, headwind, braking,
and/or excessive load.
4.Battery discharged for long period of time without
regular charges, aged, damaged, or unbalanced
5. Brakes rubbing
Wheel or motor makes strange
noises
The battery will not charge
1. Charger not well connected
2. Charger damaged
3. Battery damaged
4. Wiring damaged
5. Blown charge fuse
1. Loose or damaged wheel spokes or rim
2. Loose or damaged motor wiring
Most Common Solutions
1. Charge the battery
2. Clean and repair connectors
3. Install battery correctly
4. Turn on bike with proper sequence
5. Disengage brakes
6. Replace discharge fuse
1. Charge or replace battery
2. Replace throttle
3. Align or replace magnet ring
1. Repair and or reconnect
2. Tighten or replace
3. Secure or replace
4. Repair or replace
1. Adjust tire pressure
2. Check connections or charge battery
3. Assist with pedals or adjust route
4. Balance the battery; contact tech support if
range decline persists
5. Adjust the brakes
1. Adjust the connections
2. Replace
3. Replace
4. Repair or replace
5. Replace charge fuse
1. Tighten, repair, or replace
2. Reconnect or replace motor.
1
2
3
4
5
6