16"Aolly frame;Aluminum alloy suspension fork;shimano 7- speed;TEKTRO Machanical dise brake;CHAOYANG 16"*4.0 Tire;Battly LG/SS 21700cell15AH;charge time7-8H;48V500W hub-motor;Mileage≥40km;Max speed≤25km；Speed sensor;LCD display;led light;IP65;L1500*W640*H1000;