For almost 40 years . Mongoose has been in the dirt . on the trails . and off the ramps. Founded in 1974 in a southern California garage . Mongoose has always been an aggressive brand with products that push the limits of what a rider can do. Designed for professional-level performance . the Mongoose legion mag freestyle BMX bike has all the strength and style you need in the bike park. The premium Mongoose hi-ten steel BMX frame and fork feature low stance geometry to offer a durable . responsive ride with alloy rear brakes for secure stops. The 40 x 16t gearing with durable one-piece forged steel 170.00-millimeter cranks offer simple . single-speed riding. Cast aluminum mag wheels with sealed bearings will turn heads while the cable detangler allows for 360-degree handlebar spins. This bikes are ready to be assembled and features 20″ wheels.