Electric Bike, Ebike, Electric Bicycle manufacturer / supplier in China, offering 450W Brushless Electric Bike, 48V20ah Lead Acid Battery, 20A Controller, Dual Drum Brake, 14 Inch Tire, 1040mm Wheelbase City Commuter E-Bike, 450W Urban Electric Bike, 48V/60V 20ah Lead Acid Battery, 3A Smart Charger, 4 Speed, Front Disc Rear Drum Brake, 16×2.5 Tire, 35km/H Comfort Commuter E-Bike, Lightweight Adult Commuter Ebike with 450W Motor, 48V Different Capacity Batteries, Adjustable Four Speed Gears, Front and Rear Drum Brake System, Long Charging and so on.