Unbranded 21 Speed 24 in. Steel Frame Adult Mountain Bike in Black and White

The overall structure of the mountain bike is made of high-quality high-carbon steel, and the Welding technology is tightly connected. The extra-thick rubber is puncture-resistant, reducing the risk of tire blowouts during use. The rolling resistance provided by the all-terrain tread is less than that of typical mountain bike tires. The sturdy and impact-resistant rim prevents tire deformation. The handle is designed with a handle shift lever, the front wheel can adjust 3 gears, and the rear wheel can adjust 7 gears, which can realize 21 super smooth speed changes. Cope with different terrain use. The side of the handle prevents the hand from sliding down design and the pedal surface is protruding design, which can effectively prevent dangerous situations caused by slipping hands or feet during use.Disc brakes guarantee excellent brakingPortable, durable, light and easy to carry and rideComfortable grip and special design to increase friction pedal, comfortable seat21 super smooth speeds, suitable for diff...