By using this conversion kit, it takes only a few minutes to refitting.

Features: BLDC, planetary gears, noiceless, powerful, small volume, light weight.

Operation: Pedal Assist

Pedal assist work automatically when you start pedaling. The motor assistance will come on to assist you when you pedal. It will make pedaling really easy, you will feel like cycling with constant tail wind. The motor will automatically turned off when you stop pedaling or press the brake.

S200

Include: 98SWXC (MOTOR with CONTROLLER inside)  1 PC

                BI3306  (BATTERY with WATER BOTTLE SHAPE)  33V 6.3Ah  1 PC

                33LB3A (BATTERY CHARGER)   1 PC

                Speed sensor+magnetism disc   1 PC

                two-in-one boosting rate regulator(display) 1 PC OR LCD display