27.5“ Aolly frame;Suntourxct Suspension fork;shimano 8-speed;Mechanical dise brake;KENDA 27.5*2.10 Tire;Battly LG 18650cell 12.8AH;charge time6-7H;36V250W  mid-motor;Mileage≥50km;Max speed≤25km；Torque sensor;LCD display;led light;IP65，L1500*W245*H780;