CeramicSpeed OSPW X Pulley Wheel System Shimano XT/XTR 1x12 - Alloy Pulley Carbon Cage BLK ModelNumber=J2235 The Raidon rear air shock

The Raidon rear air shock features an improved air valve angle and hydraulic speed lock out with fixed rebound

5" 120 mm 9 x 100 mm 42 mm Offset Black A3

Chris King made-in-house bearings

Bead-blasted then anodized finish

CeramicSpeed OSPW X Pulley Wheel System Shimano XT/XTR 1x12 - Alloy Pulley Carbon Cage BLK ModelNumber=J2235 The Raidon rear air shockCeramicSpeed OSPW X Pulley Wheel System for Shimano XT XTR 1x12 Alloy Pulley Carbon Cage Black. The CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low friction bearings and unique overall design. Features a 14 tooth upper and 18 tooth lower aluminum pulley wheels with Grade 3 Silicon Nitride balls to provide absolute optimization of the rear derailleur Robust cage