B(ike)log — R45 Hub Conversion

Step 1:  If you have a pre-existing R45 hub, purchase the appropriate XDR Conversion kit, they are available in Steel / Ceramic bearings. Unfortunately, the XDR freehub uses a proprietary axle and bearing, so purchasing the hub shell is insufficient, and your existing campy / shimano parts are not compatible with the XDR.  You can purchase the Conversion kits here: XDR Conversion kit Step 2:  Check that you have all the parts listed. Step 3: Slide Outer Drive shell bearing onto the axle. Use the Laser etched wording to note the orientation of the bearing, the White Seal should be inside the hub...