Frame: Aluminum Alloy Dual Suspension Frame Suspension: (Front) Zoom (Rear) KindShock Derailleurs: Shimano Acera Rear Derailleur (6 speeds) Shifters: Shimano Thumb Shifters/Thumb Throttle Freewheel: Shimano Freewheel and derailleur cables Pedals: Foldable Pedals Brakes: Electric Series Brake Levers - Promax Alloy V Brakes Tires: CST 20" x 1.95" City Tires Wheels: Henli Double walled Alloy Rims Motor: 4V 250W Brushless Electric Motor Battery: 24V 10AH Li-Ion Battery and Battery Meter Modes: 1. Electric Motor Power mode 2. Electric Motor Assist mode and 3. Manual mode Range: Electric Assist: 40 miles range Electric Power: 20 mile range Myrons Extreme Machines & Electric Bicycle Center 400 E. Commonwealth Ave. Unit 7Fullerton, CA 92832 Phone: 714-992-5591 Toll Free: 1-888-994-6733