The Power Surge is a sleek, reliable and capable ecomfort bike. Offering a range of lightweight componentry, upgraded hydraulic disc brakes and an 8 speed drivetrain. A 350 WATT MD-Drive Bafang motor with throttle drives this pedal assisted comfort/cruiser. The Next Generation battery and charger with Samsung cells, are both UL Certified adding to the safety of this ebike. The 36V battery helps power your ride for 40+ miles depending on terrain, riding conditions and size of the rider.