Shop all Industry Nine | Shop all Hub Parts
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).
Hydra mountain rear hubshells
365 DAY RETURNS
Its OK to change your mind!
OUR CUSTOMERS LOVE US
4.8 Satisfaction Rating from Shopper Approved.
WE ARE EXPERTS
selling only the best cycling gear since 1986