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- Rear Hubs
- Industry Nine
- 6-Bolt Disc
- Shimano Micro Spline
Industry Nine 6-Bolt Disc Shimano Micro Spline Bicycle Rear Hubs
About Industry Nine - "Industry Nine hubs are handmade in Asheville, NC"
This should correspond to the type of brakes you have on the bike.
The cassette body type is the type of cassette and number of speeds the hub will accept.