Model Number:STEA002 Motor:36v/450w Battery Spec:12V 20A*3PCS Charge time:6-10hours Battery life: About 300 cycles Speed:25km/h Product size:116*65*58cm Brake way:Front Drum Brake/Rear Disc Brake Drive way: Chain Drive Wheel Rim:Iron N.W:75kgs G.W:85kgs Tire size: 6”