Razor’s innovative Power Core technology features a 90-watt, maintenance-free, high-torque, hub motor that delivers speeds up to 10 mph (16 km/h) – top speed in its class.With a thumb-activated throttle for smooth acceleration and a rear-fender brake for safe stopping, you can control the starts and stops with ease.A 12V rechargeable battery provides up to 40 minutes of uninterrupted ride time on a single charge.Motor: 90-watt, kick-to-start, high-torque, rear-wheel hub driven,Throttle: Thumb-activated,Deck: Steel with anti-slip, full- deck grip tape,Front Wheel: Spoked, urethane,Rear Tire: Abrasion-resistant, airless, flat-free,Includes: Battery charger,Max Rider Weight: 120 lbs (54 kg)