Freehub Body
Freehub Body, OneUp Freehubs are designed to fit OneUp Rear Hubs. Available in XD/XDr, Hyperglide (HG) and Microspline (MS). The drive-side end cap is includedOneUP&';s 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.