A 350-watt Bafang mid-travel motor (run by a removable 550Wh battery) is at the heart of your Premiere Version. It employs a torque sensor for easy pedal reaction and it has a highest assisted speed of 20mph. Shifting obligations are dealt with by Shimano’s reduced-routine maintenance 8-speed Alfine interior hub.Specialized’s Turbo Vado 4.0 is