Industry Nine Hydra 6-bolt mountain and fat bike rear hub bearing kit.
Compatible with Hydra 6-bolt mountain and 6-bolt fat bike rear hubshells using XD or HG freehubs. Not compatible with MicroSpline freehubs.
- 1 - 61804 steel bearing
- 1 - 15307A5 steel bearing
- 1 - 15267A5 steel bearing
- 1 - 152610A3 steel bearing