Freehub for OneUp Rear Hubs. Available in XD/XDr, Hyperglide (HG) and Microspline (MS). Includes drives side end cap. Our XD / XDr Freehub can function as an XD freehub with the pre-installed 1.85mm spacer or as an XDr freehub by removing the spacer. Note: The OneUp Freehub is not universally compatible and is designed to fit only OneUp Hubs. We cannot guarantee compatibility with any other hub brand or model. Freehub Bearings: 61802 ABEC-5
