Fox Suspension Float RP23 Adaptive Logic BV Rear Shock Weight: 0.46 lbs / 208 g (6.5" x 1.5" no reducers) Adjustments: Rebound, Pro Pedal on/off, 3 Position compression adjust, 3 Position compression adjust, Air spring pressure, High Volume Adaptive Logic: With the flick of a switch, the rider goes from the stiffest level of Pro Pedal&8212;or climb mode&8212;to their preferred level of open&8212;or descend mode. Three levels of descend mode adjustability allow the rider to adapt to any trail condition for optimal traction & control. Spring: Air Riding Style: XC, Trail, All-mountain Buy Fox Rear Shocks from Chain Reaction Cycles, the worlds largest online bicycle store.