The Hoffman Cirrus 20" boy's freestyle bike is equipped with a hi tensile steel freestyle frame. The drive assembly consists of a 3 pc tubular chromoly 175mm crank with poly platform pedals, the 25/9 gearing with alloy cassette provides quick and smooth pedaling. 36 hole single wall alloy rims with 3/8" axle are lightweight and durable, 20X2.125 tire round out the wheel set. Alloy ahead type stem and threadless headset with 8.25" rise steel jump bars and Hoffman Raz grips w/plugs. Ultra light unified seat with embroidered Kevlar top.