KD-EM03 Motor: 24v 800w Engine Style Motor Battery: 24v 20A(12v x 2pcs) Lead-Acid Transmission: CCT Gear Brake:Front Disc Rear Drum Tyre: Front 3.00 x 1.0 Tubeless Rear 3.50 x 1.0 Tubeless Wheel:Front and rear Alloy Max Speed:40km Range/1 charge: 55km Packing:Steel frame + Bubble bag + Carton Bike size:Size: 162 x70 x 89 cm Packing size:165x40x80 cm