Chris King ISO Conversion Kit (Boost & Non Boost)- Ceramic Bearing Driveshell CHRIS KING GRIPNUT HEADSETS Each set of Mud Guards

Each set of Mud Guards comes with 4 rubber o-rings

even against corrosion

The CX-Ray still receives one of the best results in fatigue testing of any spoke

The Spokes- Sapim Race

You can buy with confidence from AVT

Chris King ISO Conversion Kit (Boost & Non Boost)- Ceramic Bearing Driveshell CHRIS KING GRIPNUT HEADSETS Each set of Mud GuardsThis conversion kit is used to convert the driveshell and axle on any Chris King ISO hub (both Boost and non Boost). It is designed to replace your hubs current axle size. It will not allow for converting from non boost to boost. Comes as a complete kit only which includes a new Driveshell, Axle and Adjusting Clamp design. Previously it was possible to just swap over the Driveshell only, but due to the recent redesign of the axle (to fit the new Boost