Mountain Bike Folding Bicycles W/ Steel Frames, High Carbon, and Dual Suspension that contain Double Disc Brakes, Anti-Slip Mountain Bike Bicycles 21 Speed Gears Bicycle

26-Inch Adjustable Foldable Double Suspension 21-Speed Gear Mountain Bike   Product description:   [High performance and high quality]: Lightweight and sturdy 17-inch steel frame, 26-inch wheels and high-quality front fork, with comfortable shock absorption performance, bringing smooth cruising and relaxing riding experience.   [Excellent braking system]: With the help of front and rear disc brakes and 21-speed transmission system, you can easily choose any speed, and have perfect braking and excellent full suspension riding ability, so you can easily go on the road.   [Adjustable folding structure]: Adjustable saddle to meet the needs of people at different altitudes. Equipped with a quick release clip to help quickly fold the bicycle. It can be easily folded and stored in the corner of the apartment or in the trunk and carried with you.   [Unique tires]: Fat tires that can travel easily on different types of off-road terrain. It has 21 speeds, can cope with hilly terrain,