Fox Suspension Fox Boost Valve RP23 Air Can. The Boost Valve RP23 Air Can is a replacement air can upgrade compatible with the Fox Suspension Float RP23 rear shock. The Boost Valve technology offers a subtle improvement in mid-stroke performance & an incredibly enhanced ramp-up at the end of the stroke, which helps prevent harsh bottom outs
Features: Compatibility: Fox Suspension Float RP23 rear shocks with eye-to-eye measurement of 216mm Boost Valve technology Buy Fox Suspension Components from Chain Reaction Cycles, the World's Largest Online Bike Store.