20"Aolly frame;Aluminum alloy suspension fork;shimano 7-speed;Mechanicaldise brake;KENDA 20“*4.0 Tire;Battly LG 21700 cell 30AH;charge time9-10H;ANNAIDA36V350W mid-motor;Mileage≥130km;Max speed ≤25km；Torque sensor;LCD display;led light;IP65,L2100*W820*H1240;