Industry Nine Bearing Kit • Full or individual hub bearing kits designed for Industry Nine 1/1 series hubs.

The I9 1/1 Bearing Kits are replacement sealed bearing sets made for Industry Nine 1/1 mountain bike hubs. These kits include the correct steel cartridge bearings for both front and rear hubs, depending on the specific version you choose (front only, rear only, or combined). They are used to service worn hub bearings — replacing them restores smooth wheel rotation and reduces play or noise in the wheel bearings.

What’s Included (varies by kit type)

Industry Nine offers several 1/1 hub bearing kit options:

• Front hubs only – Typically includes two front hub bearings (e.g., 18307A3 sizes).
• Rear hubs only – Includes multiple bearings sized for the 1/1 rear hub (e.g., 15307A3, 15267A3, 152610A3, and sometimes 61802A3 for Micro Spline).
• Front + Rear full kits – Contains bearings for both ends, letting you fully service a pair of hubs with one kit.

These bearings are steel sealed cartridge units designed for durability and long life in off-road use.