20"Aolly frame;shimano 7- speed;Machanical dise brake;KENDA 20”*1.75 Tire;Battly 18650cell 8.7AH;charge time4-5H;36V250W hub-motor;Mileage≥45km;Max speed≤25km；Speed sensor;LCD display;led light;IP65;L1500*W640*H1100;