HKMFH01 “HYDRA – MTN – HG – Freehub Complete Kit w/ bearings, pawls & springs”
Replace your existing Hydra mountain freehub with this complete HG 9/10/11 speed kit. If converting from Shimano Micro Spline, please note factory spec involves HAX2631 (QR) or HAX2637 (12x).

Compatible With
Hydra mountain rear hubshells

Includes
1 – Hydra HG freehub body shell
1 – bearing spacer
1 – 152610 bearing
1 – 15267A5 bearing

HKMFH02 “HYDRA – MTN – XD – Freehub Complete Kit w/ bearings, pawls & springs”
Replace your existing Hydra mountain freehub with this complete XD 11/12 speed kit. If converting from Shimano Micro Spline, please note factory spec involves HAX2631 (QR) or HAX2637 (12x).

Compatible With
Hydra mountain rear hubshells

Includes
1 – Hydra XD freehub body shell
1 – bearing spacer
1 – 152610 bearing
1 – 15267A5 bearing

HKMFH03 HYDRA – MTN – Single Speed – Freehub Complete Kit
Replace your existing Hydra mountain freehub with this complete Single Speed kit.

Compatible With
Hydra mountain Single Speed rear hubshells

Includes
1 – Hydra SS freehub body shell
1 – bearing spacer
1 – 152610 bearing
1 – 15267A5 bearing
6 – Hydra springs
6 – Hydra pawls
1 – freehub body seal

HKMFH20 HYDRA – MTN – MS – Freehub Complete Kit w/ 12mm DS Endcap
Replace your existing Hydra mountain freehub with this complete Micro Spline 12 speed kit.

Compatible With
Hydra mountain rear hubshells

Includes
1 – Hydra MS freehub body shell
1 – bearing spacer
1 – 152610 bearing
2 – 6802A3 bearing
6 – Hydra springs
6 – Hydra pawls