Turn up the off-road fun with a twist of the throttle on the Razor MX125 Dirt Rocket. Razor's smallest electric-powered dirt bike . the MX125 is designed to help riders ages 7 and up build confidence on dirt . delivering top-notch . electric-powered performance with authentic motocross-inspired style that will get kids hooked on the excitement and adventure of off-road riding. The high-torque . chain-driven electric motor powers riders up to 8 mph (13 km/h) for up to 40 minutes of continuous use. Recommended for riders between 40 lbs and 80 lbs for optimum performance; the chassis holds up to 110 lbs.