Everfit Folding Electric Bike Urban City Bicycle eBike Rechargeable Battery 250WOur Electric Bike is the perfect commuter solution. With a quick folding design, it is highly portable and easy to store. The powerful 250W motor coupled with a 36V 10. 4Ah removable rechargeable Li ion battery allows for speeds up to 25km h, while a range of up to 60km on a single charge will take you anywhere. A Shimano 7 speed shifter and derailleur ensures a comfortable, smooth ride on any terrain with front and rear disc brakes for easy stopping