HYDRA Rear Bearing Kit – 6B HG/XD

• Hydra MTN 6 bolt mountain and fat bike rear hub replacement bearings. Not compatible with single speed hubs.
• Compatible with Hydra 6 bolt mountain rear hubshells – HG/XD drivers
• Includes: 1 – 61804 steel bearing, 1 – 15307A5 steel bearing, 1-152610A3C3 steel bearing, 1 – 15267A5 steel bearing