UBesGoo 29in Mountain Bike for Adult, 21 Speed MTB Bicycle for Men/Women, Dual Disc Brakes, Carbon Steel Frame, Black

【DURABLE HIGH-CARBON STEEL FRAME】 Constructed from a robust high-carbon steel frame, this 29-inch mountain bike offers exceptional durability and a smooth, stable cycling experience. Ergonomically designed, it accommodates riders from 5'4" to 6'4", ensuring comfort and safety for all users. 【21-SPEED GEAR SYSTEM WITH MECHANICAL DISC BRAKES】 Equipped with a 21-speed gear system, the trigger shifter allows smooth and easy gear transitions for tackling various terrains. The mechanical dual disc brake system provides reliable stopping power in all weather conditions, offering excellent control and easy maintenance. 【SHOCK-ABSORBING FRONT FORK AND SUSPENSION】 The mountain bike for adults features a shock-absorbing front fork that smooths out bumps and vibrations. The shock absorbers ensure a comfortable ride over rugged terrain, making it ideal for mountain trails and off-road adventures. 【29” ALL-TERRAIN TIRES】 The 29*2.125" tires are designed to handle multiple terrains, offering superior grip, anti-skid performance, and enhanced puncture resistance. Whether you're riding on dirt paths, gravel roads, or paved trails, these tires ensure a stable and smooth ride. 【85% PRE-ASSEMBLED FOR EASY SETUP】 This mens mountain bike arrives 85% pre-assembled, so you'll only need to install the handlebar, pedals, front wheel, and saddle. After a quick adjustment of the brakes and gears, you're ready to hit the road or trail immediately. For any questions, our customer service is here to help.