Product Features:
Powerful brushless hub motor(36V500W or 750W) -- Stable, quiet and powerful driving
Cruise Speed Control -- Make your ride relax and fun
Regenerative braking -- Energy saving, safe and smooth stopping experience
Anti-theft alarm -- Protect your loved ebike from being stolen
Lithium ion battery pack (36V10AH or 16AH) -- Most safe and green battery, longer life
Sliding battery Rack -- Easy access, extendable capacity, removeable
Aluminium reinforced frame -- light and strong
Travel Range: 32Km/10AH or 48Km/16AH per charge without pedaling
Speed: 33kph without pedaling
weight: 27kg with battery
http://goldenmotor.com