The Razor MX650 Dirt Rocket is designed for fun off-road rides . packing a high-torque . variable-speed . electric motor to help you blast up hills and conquer trails and bumps on the dirt. Scaled down supercross-inspired styling . with dual suspension and dual-disc brakes . the MX650 is ready to help you push the limits of off-road adventure. Designed with rear-wheel drive for better traction and balance control . the chain-driven electric motor powers riders up to 17 mph (27 km/h) for up to 40 minutes of continuous use . while the steel frame . double-crown fork and shatter-resistant fairings mean the MX650 is tough enough for youth riders to have a blast on rough terrain.