24V36V Bicycle Motor Speed Booster Kit Bicycle Friction Drive DIY Electric Bike
D: If the distance 5cm, need break a shape like the C picture shows, need carefully to choose. Pure electric distance: 15-25km. Motor: DC brushless 200W.
24V36V Bicycle Motor Speed Booster Kit Bicycle Friction Drive DIY Electric Bike
D: If the distance 5cm, need break a shape like the C picture shows, need carefully to choose. Pure electric distance: 15-25km. Motor: DC brushless 200W.