Assembly tutorial video located beside the images; with a gloss blue hardtail frame and 6 speeds to aggressively ride, the Huffy Stone Mountain is ready for epic outdoor fun; just follow the steps in our product manual Ideal for ages 5-9 and a rider height of 44-56 inches; durable steel frame is backed by our limited lifetime warranty (see owner's manual for details); Kolo 1200 suspension fork handles bumps and dips for a smoother-feeling ride The indexed Shimano TZ-31 rear derailleur combines with the micro-shift twist shifter to deliver 6 speeds on-demand for uphill climbing, downhill riding, or pure acceleration; removable rear derailleur guard ensures consistent gear operation 20" X 1.95" 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 crank have responsive feel; Kraton grips are comfortable to the touch; alloy wheels in matte black; kickstand included Sport type: Outdoor LifestyleHuffy Kids Hardtail Mountain Bike for Boys, Stone Mountain 20 inch 6-Speed, Metallic Cyan (73808)