Viscena Viper, 48V Electric Dirt Bike, 3000W Peak Power, 21Ah Lithium Ion Battery, 3 Speed Modes, Hydraulic Disc Brakes, Front and Rear Hydraulic Suspension, Headlight, Horn, 420 Chain, 14" Front 12" Rear Wheels, 28" Seat Height z MPH=30 This TM38E Water cooled 6 speed full size TM 21 This TM38E Water cooled 6 speed full size dirt bike is the most powerful bike in the Trailmaster stable With the specially crafted footrest guard your young rider's feet are protected from the turning tires and ground surface 000W peak power Torque 200 N·m Battery 48V 21Ah Lithium Ion (IPX6) Top Speed 37 mph Range Up to 45 miles per charge Speed Modes 3 selectable settings Brakes Heavy duty hydraulic disc no clutch and no gears