Mountain Bike 24/26/27.5 Inch Men & Women Mountain Bike with 21-Speed Adult Bikes, Double Disc Brake, Suspension Fork and High Carbon Steel Frame

PROFESSIONAL 21-SPEED SHIFTING SYSTEM: The 21-speed transmission system with quick, precise gear changes makes this mountain bike can easier to adapt to different terrain. Made of non-slip and explosion-proof materials, our tires can easily conquer gravel paths, dirt paths, and rocky roads
POWERFUL SHOCK ABSORBING AND BRAKING: The shock-absorbing cushion is matched with a thickened shock-absorbing front fork that is fitted with a double shock absorption effect. Mechanical dual disc brakes have a strong braking force and can provide a more sensitive braking response than other brakes
COMFORTABLE RIDING EXPERIENCE: Lightweight aluminum alloy wheels are matched with specially designed spokes that can better assist reduce wind resistance during riding. The lock-out suspension fork handles bumps and dips for a smoother-feeling ride
DURABILITY & ADJUSTABILITY: Made of high-carbon steel frame, this adult bikes is strong and durable and will not deform. This mountain bike features a quick-adjust seat post clamp, you make easier adjustments seat to the right height
EASY TO INSTALLMENT: The 27.5-inch bike arrives with 85% assembled. You only need to assemble the handle, cushion, front wheel and pedal, adjust the brake and gear to complete the assembly. PLEASE CONTACT US BY EMAIL IF YOU ENCOUNTER ANY PROBLEM THAT CANNOT BE RESOLVEDBike Type:Mountain Bike Age Range (Description):Adult Number of Speeds:21 Color:Green Wheel Size:27.5 Inches Frame Material:Carbon Steel Suspension Type:Dual Special Feature:Easy to Assemble, Good Performance, Lightweight, Pretty Design Included Components:Instruction, Kickstand