Product details Designed with 20-inch wheels this bike fits riders ages 6 and up or 4′ to 5′ in height. Steel freestyle frame is ready for the bike park. Single speed drivetrain is easy to use and maintain. Front alloy caliper brake and steel rear U-brake combine for efficient crisp stopping. Pro-style 25/9 cassette hub micro gearing. 360 brake rotor and four freestyle pegs?provide?the?complete?BMX experience. Light and strong alloy rims add durability without weighing you down.SpecificationsBrand:MongooseBicycle Type:BMX BikesBicycle Wheel Diameter:20\Age Group:ChildNumber of Speeds:1Color:BlackFrame Material:SteelAssembled Product Dimensions (L x W x H):56.00 x 27.00 x 38.00 Inches