Specifications
Change the cassette freehub body interface for your Industry Nine Hydra hubs. These are complete freehub body replacement kits that include bearings, springs and pawls.
Kit Includes:
1x Hydra freehub body shell
1x bearing spacer
All Freehub body bearings
6x Hydra springs
6x Hydra pawls
1x freehub body seal
Microspline kits include a drive side end cap: Part Number HAX2644
HG and XD freehub include a drive side end cap: Part Number HAX2637