The KETELES XF4000 is a Fat E-Bike featuring a 6061 Aluminum Alloy Full Suspension Folding Frame and a 48V 1000W Brushless Geared Rear Hub Motor. It is equipped with a 48V 23AH Lithium Battery, hydraulic disc brakes, Shimano 7-Speed gear, and 26"x4.0" inch Fat Tires. It has a top speed of around 45km/h and a range of 50-65km.