BAFANG G0900 Hub Motor Kit System Owner’s Manual

BAFANG G0900 Hub Motor Kit System

CUSTOMER MANUAL

HUB MOTOR KIT SYSTEM

PARTS INTRODUCTION

Some parts are listed here, please refer to the order you purchased

INTRODUCTION TO ASSEMBLY

You are able to use similar tools, or you could buy specialized tool kits.

1. M2.5 Allen wrench
   installing and disassembling meter and meter button

2. M3 Allen wrench
   installing and disassembling handlebar sleeve and electric thumb shifter

3. M4 Allen wrench
   installing and disassembling brake lever and stem screw

4. MS Allen wrench
   installing and disassembling thumb shifter

5. M8 Allen wrench
   installing and disassembling central shaft screw

6. No. 15 open end wrench
   installing and disassembling pedal

7. No. 18 open end wrench
   installing and disassembling flange nuts of hub motor

8. Crank disassembling tools
   disassembling cranks and chain wheel

9. Central shaft installing and disassembling tools
   installing and disassembling central shaft

10. Cross screwdriver fixing controller box

INSTALLATION

TAKE OUT THE ORIGINAL BICYCLE FRONT WHEEL
Quick release axle front wheel unscrew and take off the front wheel

DISMANTLE THE ORIGINAL DISC
Diagram of unscrewing the six screws fixing discs and removing the discs using No.4 Allen wrench or other tools

TAKE OUT ORIGINAL BICYCLE INNER AND OUTER TIRES

• Diagram of removing the valve cap and then deflating the inner tire
• Diagram of prying the outer tire out of the rim using a pry bar or existing flat tools similar to the pry bar and removing the inner and outer tires

ORIGINAL DISC INSTALL IT ON THE MOTOR WHEEL
Diagram of placing the disc on the disc brake seat of the front hub motor with the side with words facing out, aligning the six screw holes on the disc with the six threaded holes on the disc brake seat of the front hub motor, and then locking the screws tightly

INSTALL THE INNER AND OUTER TIRES TO THE MOTOR WHEEL

• Diagram of installing the inner tire into the slot of the outer tire first
• Diagram of installing the assembled inner and outer tires on the rim (during assembling, attention shall be paid to first passing the air nozzle on the inner tire through the air nozzle hole on the rim, and then taking the air nozzle as the center, slowly snapping the edge of the tire into the rim)

FIT THE ANTI-SLIP GASKET CLOSE TO MOTOR
Installing the anti-slip pad (the anti-slip pad should be installed on the inside of the fork)

INSTALL THE MOTOR WHEEL TO THE FRONT FORK
Diagram of placing the front wheel with disc, inner and outer tires in place into the slot of the fork, anti-slip pad (the anti-slip pad should be installed on the inside of the fork), pad, and nut, locking them with a No. 18 open end wrench, and then installing the rubber cover

TAKE OUT THE ORIGINAL BICYCLE REAR WHEEL
Diagram of loosening the quick release shaft of the front wheel and removing the front wheel

DISMANTLE THE FLYWHEEL
Diagram of removing the freewheel using a special tool for installing and disassembling freewheels

DISMANTLE THE ORIGINAL DISC
Diagram of unscrewing the six screws fixing discs and removing the discs using No.4 Allen wrench or other tools

TAKE OUT ORIGINAL BICYCLE INNER AND OUTER TIRES

• Diagram of removing the valve cap and then deflating the inner tire
• Diagram of prying the outer tire out of the rim using a pry bar or existing flat tools similar to the pry bar and removing the inner and outer tires

ORIGINAL DISC INSTALL IT ON THE MOTOR WHEEL
Diagram of placing the disc on the disc brake seat of the rear hub motor with the side with words facing out, aligning the six screw holes on the disc with the six threaded holes on the disc brake seat of the rear hub motor, and then locking the screws tightly

TAKE OUT ORIGINAL BICYCLE INNER AND OUTER TIRES
Placing the freewheel removed from the original bicycle on the cassette body composed of the rear hub motor in turn (please note that there is a slot on the freewheel that is larger than other slots, which corresponds to the large slot on the cassette body of the rear hub motor assembly), and then locking the freewheel with a special tool for disassembling freewheels.

FIT THE ANTI-SLIP GASKET CLOSE TO MOTOR
Installing the anti-slip pad (the anti-slip pad should be installed on the inside of the fork)

INSTALL THE MOTOR WHEEL TO THE REAR FORK
Diagram of placing the rear wheel with disc, freewheels, inner and outer tires in place into the slot of stay, installing the anti-slip pad (the anti- slip pad should be installed on the inside of stay), pad, and nut, locking them with a No. 18 open end wrench, and then installing the rubber cover

TAKEOUT ORIGINAL BICYCLE CRANK

• Unscrewing the screws that lock the crankset and the crank using No. 8 Allen wrench or other tools.
• Removing the crankset and the crank using a special tool for disassembling cranks

INSTALL LEFT PAS
Fix the left PAS on the left side of the bottom bracket and then using the No. 8 Allen wrench to lock the right crankset and left crank

TAKEOUT ORIGINAL BICYCLE CRANK

• Unscrewing the screws that lock the crankset and the crank using No. 8 Allen wrench or other tools.
• Removing the crankset and the crank using a special tool for disassembling cranks
• Diagram of disassembling the central shaft using a special tool for installing and disassembling central shafts
  

INSTALL RIGHT PAS
Diagram of fixing the right PSA sensor on the right side of the bottom bracket, then inserting the central shaft into the inner hole of the bottom bracket from the right side of the bottom bracket, and clamping the right PSA sensor between the bottom bracket and the central shaft (Note that the side of the PSA sensor with the light is facing inward) and then using the special tool for installing and disassembling the central shaft to lock the left and right sides of the central shaft

TAKE OUT THE ORIGINAL BRAKE LEVERS AND HANDLE BARS
Diagram of loosening the screws on the brake lever and removing the brake lever using a No. 4 Allen wrench or other tools

INSTALL THE BRAKE CABLE
Use a No. 5 Allen key or other corresponding tools to lock the brake wire core

INSTALL THE BRAKE LEVERS 6 THROTTLE li HANDLE BARS

• Diagram of placing the electric brake lever (replacing the original brake lever), and handle sleeve on the left side of the handlebar in turn, and then locking them with corresponding tools
• Diagram of fixing the meter on the stem, then locking it with corresponding tools
  

ASSEMBLE THE CONTROLLER BOX AND CONTROLLER ON THE CAR

• Diagram of fixing the lower cover of the controller box on the upper tube of the frame or on a suitable position such as the middle tube
• Diagram of putting the controller with all the outgoing cables connected into the controller box, so that the exposed cables can be placed in the controller box as much as possible, and then locking the upper cover of the controller box

WIRING DIAGRAM

Diagram of docking all the outgoing cables on the controller with the corresponding parts (battery, 1 T 4 cable, PSA, dual-drive conversion button, front hub motor, rear hub motor, front and tail lights)

DISPLAY INSTRUCTION

• Please select your display model and scan the QR code via cell phone to get the electronic manual
• If you any problem, please log in to your buyer account and contact us for help

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