Razor Dirt Rocket SX500 McGrath Electric Motocross Bike Inspired by the winningest motocross rider in history, Jeremy McGrath! Complete with authentic McGrath graphics and fairing design, genuine dirt bike frame geometry and a high-torque, variable speed motor for a super-charged experience Carries riders at speeds of up to 15 mph with 40 minutes of continuous use Features dual suspension and riser handlebars, large pneumatic knobby tires, retractable kickstand, and hand operated dual disc brakes Recommended for ages 14 and up; supports riders up to 175 pounds