The maximum speed of the motor will be 30km/h. (36V 250W) The maximum speed of the motor will be 50km/h. The open size of the front fork is 100mm(Front Wheel)/The open size of the rear fork is 135mm(Rear Wheel) 6. The size of the rim is 20(Suitable for 20 inch bike).
Crank speed sensor for pedal assist. Package List: 1 Motor 1 Controller 1 Assist 1 Electronic power brake 1 Thumb Throttle 1 LED Display 1 Waterproof Wire 1Controller carrying case.