Fox Suspension Float RP2 Air Rear Shock Fox make some of the best suspension forks & rear shocks on the market today. This shock will stand the test of time & any course thrown at it. Specifcations: XC, Trail, All-mountain riding style. Air spring pressure. Rebound adjust. Boost Valve: Our patented Boost Valve technology provides a feeling of endless travel & plushness like that of a downhill rig, but with with XC pedaling efficiency. Model:RP2 Eye to Eye:190mm (7.5") Stoke:50.8mm (2.0") Weight:244g Buy Fox Suspension Float RP2 Air Rear Shock from Chain Reaction Cycles, the World’s Largest Online Bike Store.