49cc 2-stroke friction drive motorized bike conversion kit


suitable for 12'' to 26'' bike

We also have 38cc four stroke,49cc four stroke engine.Please contact us for more details.

Auto clutch!

Only US$259.8


Sea mail:  US$81  

Air mail: US $116

Speed post: US$135

Click here to see more on our online store



NEW PRODUCT!The movement of rear wheel is due to the friction brought by the rotator  !

It is very smooth,quiet, durable and reliable!

It is also easy to start on first pull.

This kit is very easy to install!

It includes user manual which help you to maintain the engine!

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