The Lankeleisi XF4000 48V/12.8Ah 1000W Fat Tire Electric Mountain Bike, also known as Fatty Electric Bicycle, provides a perfect balance of utility, speed, and comfort. Its rugged 26” Fat Tire Wheels, boasting an aggressive tread, guarantee optimal traction on rain, sand, or snow. Built to last, the XC4000 features a reliable, high-impact 6061-aluminum alloy frame and adjustable forked suspension system for a smoother ride. It also boasts a Shimano 9-speed rear derailleur and an integrated digital display system with mileage, speed, battery status, and grade level. To round out the design, there are LED headlights for low visibility, front and rear disc brakes for enhanced stopping power, and a 9-speed derailleur.