product description: with a gloss black silver hardtail frame and 21 speeds to aggressively ride, the bike is ready for epic, outdoor fun Ideal for ages 14 and above and a rider height of 44in and above; durable steel frame is backed by our limited lifetimes (see owner's manual for details); kilo 1200 suspension fork handles bumps and dips for a smoother-feeling ride The indexed SHIMANOS rear derailleur combines with the micro-shift twists shifter to deliver 21 speeds on-demand for uphill Climbing, downhill riding, or pure acceleration; removable rear derailleur guard ensures consistent gear operation 26 "X 1. 95" Tab tires handle pavement, gravel and dirt with ease; linear pull hand brakes deliver consistent, stopping action; padded ATB saddle is stitched for lasting quality; alloy quick release provides easy seat height adjustment Slight-rise handlebar enables upright riding to minimize back and shoulder strain; ATB-type resin pedals on the 3-piece kilo crank have responsive feel; Crayton grips remain comfortable to the touch; alloy wheels in matte Black; kickstand included Features: Aluminum mountain frame and front suspension fork eliminate bumps and provide reliable performance Front and rear linear brakes provide clear, controlled braking Rugged, lightweight alloy wheels provide greater stability and durability Tool-free adjustable seatpost for easy height adjustment on the go Product configuration: Wheel size: 26 inches Package size: 134 x 72 x 19 cm / 52 x 29 x 8 inches Gross weight: 17Kg / 30.9lbs Black This product contains： 1 x bike 1 x instruction manual