Ambifirner Newest Bike Fat Tire Mountain Bike with 20 Inch Wheels, 21 Speed with High Carbon Steel

Durable steel frame that is high-strength, reinforced, and more durable for long-lasting use. Comes 85% pre-assembled, making it easy to set up and start riding. Equipped with a Shimano 7-speed shifter and derailleur, providing smooth and easy gear changes. Front suspension fork helps absorb bumps and provide a comfortable, durable riding experience. Fat tires offer better grip and traction on a variety of terrains, including sand, snow, gravel, rain, mud, and more, ensuring a safe and smooth ride. Disc brakes offer precise control and enhanced braking performance compared to traditional rim brakes.