The original & popular Biria electric folding Series 2 has been upgraded in every way. With a Bafang 500 Watt (750W Peak) motor and Bafang 48V, 15 Amp UL2271 Certified Samsung battery, and a Bafang torque sensor, it has a range of up to 65 miles per charge. It has Tektro disc brakes with puncture resistant 20 x 4.5 inch fat tires. This is a Class 2 pedal-assist electric bike that also has a throttle, but the throttle can be easily disconnected and taken out in minutes to convert into a Class 1 ebike. The new S2-TORQ also includes a high quality Zoom suspension fork, front and rear integrated lights, with a brake light, heavy duty rear rack, full fenders, and a heavy duty kickstand.