Product detailsBCA 20″ Crossfire Boy’s Bike, Blue: nbsp; Assembled in South Carolina Front and rear linear-pull hand brakes Knobby off-road tires Quick-release seat height adjustment 6-speed drive-train Twist shiftersnbsp; Padded seat for comfortable riding Tuned travel front shock Sturdy steel frame Stand-over Height: 24″ Recommend Height is 4’2″ and Up Ages: 8-12 years Customer Service: 1-800-451-KENT kent.bike/pages/download-manuals SpecificationsBrand:Kent BicyclesBicycle Type:Mountain BikesBicycle Wheel Diameter:20\”Age Group:Tween, ChildNumber of Speeds:6Color:BlueFrame Material:SteelAssembled Product Dimensions (L x W x H):53.50 x 23.75 x 36.00 Inches