Ride reliably with the 900 Boys" 20" Mongoose Mode Bike. Constructed with a full 4130 chromoly frame, this Mongoose kids" bike is a great buy for little adventurers. Augmented with a premium chromoly fork for maximum maneuverability, this Mongoose boys" bike is well-suited to tackle the road. The 14mm rear axle makes this bike dynamic and keeps the rider in control of the action. The 900 Boys" 20" Mongoose Mode Bike features a rear aluminum U-brake and lever just like the pros that helps prevent collisions and accidents with superior reliability. If you"re looking for a high-quality bike for your boy, consider buying this single-speed mode bike. Please note: If you select Site to Store delivery, your bike(s) will not be assembled upon pickup. 900 Boys" 20" Mongoose Mode Bike, Maroon: * Frame: premium chromoly frame * Fork: premium chromoly fork * Gearing (# of speeds): single speed * Brakes: rear aluminum U-brake and lever just like the pros * Wheels: 20" wheels * Tires: high pressure tires * Hub: 9T alloy cassette hub * Axle: oversized 14mm axle * Rims: double wall alloy rims for maximum durability * Handlebars: premium chromoly handlebars * Seat: ultra light seat and post combo * Pedals: standard pedals * Cranks: tubular chromoly 3-piece cranks * Assembly required * Dimensions: 56"L x 27"W x 38"H