24" Mongoose Ledge 2.1 Boys" Mountain Bike, Silver/Red: * Frame: aluminum suspension frame * Fork: suspension fork smoothes bumps and increases control * Gearing (# of speeds): 21 speeds * Derailleur: Shimano rear derailleur for precise shifting * Shifter: twist shifters change gears easily * Crank: 3-piece crank offers wide gear range * Brakes: linear pull brakes provide great braking power * Wheels/tires: 24" wheels * Rims: alloy rims for lightweight durability * Handlebars: steel handlebars * Seat: padded seat * Pedals: standard pedals * Assembly required * Dimensions: 66"L x 22.5"W x 38"H