Chris King R45D CL black rear hub 12 x 142mm SRAM XDR freehub 24 hole Centrelock
You are buying a single rear Chris King R45D hub with SRAM XDR freehub. Chris King R45D rear hub 12 x 142mm. Suitable for Shimano Centrelock. SRAM XDR freehub / driveshell. The XDR driver is 1.85mm longer than an XD driver.