- Formula SL-197 Rear Hub
- Sealed Cartridge Bearings
- Accepts 6 bolt disc rotor
- Through Axle not included
- Fits 12x197mm Through Axle frames
- XD Driver type option fits SRAM XD Mountain Bike cassettes only
- HG Shimano Type option accepts common HG splined Shimano style mountain bike cassettes (Does not fit any cassette with a 10t small cog) Will fit 8-speed, 9-speed, 10-speed, 11-speed and 12-speed MTB cassette if start with 11t or 12t and are not road cassettes.