E9rzr15128040 . bundle includes: Razor mx350 dirt rocket electric motocross bike (ages 12 and up). Get out in the dirt with the mx350 electric motocross bike from razor’s dirt rocket line. The mx350 dirt rocket is a scaled down . electric powered motocross bike that offers younger riders a way to live out their off-road fantasies. With a high torque motor . large . knobby tires . and speeds up to 12 miles per hour . the mx350 leaves similar pocket dirt bikes in its dust. Features: Super quiet . single speed . chain driven motor. High torque motor. Large . knobby tires. Speeds up to 12 miles per hour. Twist grip throttle control. Adjustable riser handlebars. Hand operated rear brake.