Superlight MTB hubs with a revolutionary drive system\n 120 tooth pawl mechanism provides instant drive engagement and a freehub sound like no other\n Micronotch engagement means no noticeable pedal pickup gap \n 4 sealed cartridge bearings, aluminum HG freehub body, alloy axle/shell \n Supadrive 12x142mm axle conversions kits sold separately, HL3182 (12x150mm can be adapted to 12x157mm using HL3182)\n International Standard 6bolt disc rotor mount or Center Lock (HL3087)\n HG 811sp: Not compatible with HG 11sp road cassettes
- OD:
- 30.9mm
- ID:
- 27.2mm