1B Transmission and INSTALLATION KIT
T Belt drive runs much more quieter than a chain drive!
4G Model 1B T-Belt Drive Transmission with bicycle installation parts kit;
Everything you need except the engine and bicycle to make a motorized single speed bike. Engine sold separately: Customer provides their own donor bicycle.
If you want to use of your bicycle gearing for multi speed see our 10G 1BMS kit.
- 20T drive pulley 100T driven pulley with 9T and 10T slide drive sprockets included.
- 4G 1B Transmission is used on a Huasheng 49cc or 53cc engine with built-in 3 shoe centrifugal clutch. Engine is sold separately:
- Will not work on a straight shaft engine, ie: Honda GHX 50
- Must use this transmission with our 10G 1BMS multi-speed shift kit.
- Starting 2017 all 1B transmissions have 8 mounting holes to enable using 10G 1BMS Multispeed right side drive for a 10 degre downward mount..
- This kit comes with a clamp to spokes rear sprocket but we high recommend you use a HD axle #2 to enhance reliability and safety.
List of parts included with a 4G 1B kit.
- Model 1B 20Tx100T T-Belt Transmission with 9T and 10T drive sprockets; ( 8 engine mounting holes: )
- Adjustable engine bracket. 2 cast iron ends with steel top plate.
- Handlebar twist grip throttle with kill switch
- 2.5L gas tank plated inside to prevent rusting
- Brass shut off valve for gas tank
- Clamp to spokes 48T bike wheel chain sprocket with installation kit;
- Belt adjustment spanner wrench
- Complete Wide Pedal kit with conversion kit for big and small hole.
- Ball bearing chain idler
- Instruction manual