Shimano HG 11-speed road
Shimano · 8/9/10/11/12-speed · min 11T
Quick answer
A HG body 1.85 mm longer than the MTB HG, required for 11-speed Shimano/SRAM road cassettes — and it takes Shimano 12-speed road as well (105 R7101, Ultegra R8100, Dura-Ace R9200, GRX RX820), which need no new freehub. 8–10-speed cassettes need a 1.85 mm spacer here. 1 trainers offer a Shimano HG 11-speed road body, and 1 ship with it as standard.
Trainers offering this freehub
Drivetrains that need this freehub body
- Shimano 10511-speed · R7000 · CS-R7000
- Shimano 105 Di212-speed · R7100 · CS-R7101
Shimano 12-speed road stays on the 11-speed road HG body — unlike Shimano 12-speed MTB, which needs Micro Spline. Moving from 105 R7000 to R7100 needs no new freehub.
- Shimano Ultegra11-speed · R8000 · CS-R8000
- Shimano Ultegra Di212-speed · R8100 · CS-R8100
- Shimano Dura-Ace11-speed · R9100 · CS-R9100
- Shimano Dura-Ace Di212-speed · R9200 · CS-R9200
- Shimano GRX11-speed · RX810 · CS-HG700-11
- Shimano GRX12-speed · RX820 · CS-HG710-12
- SRAM Rival 2211-speed · PG-1130
- SRAM Force 2211-speed · PG-1170
- SRAM Red 2211-speed · XG-1190
Frequently asked questions
A HG body 1.85 mm longer than the MTB HG, required for 11-speed Shimano/SRAM road cassettes — and it takes Shimano 12-speed road as well (105 R7101, Ultegra R8100, Dura-Ace R9200, GRX RX820), which need no new freehub. 8–10-speed cassettes need a 1.85 mm spacer here. It accepts 8/9/10/11/12-speed cassettes with a smallest cog of 11 teeth.
1 trainers offer a Shimano HG 11-speed road body: Elite Justo 2. Elite Justo 2 ship with it as standard.
It ships as standard on Elite Justo 2; on other trainers it is a separately-bought accessory.
Shimano HG 11-speed road accepts 8/9/10/11/12-speed cassettes (min 11T). Shimano cassettes are the native match; check cross-brand compatibility before buying.
These drivetrains use a cassette that mounts on a Shimano HG 11-speed road body: Shimano 105 (11-speed), Shimano 105 Di2 (12-speed), Shimano Ultegra (11-speed), Shimano Ultegra Di2 (12-speed), Shimano Dura-Ace (11-speed), Shimano Dura-Ace Di2 (12-speed), Shimano GRX (11-speed), Shimano GRX (12-speed), SRAM Rival 22 (11-speed), SRAM Force 22 (11-speed), SRAM Red 22 (11-speed). Read it off your rear derailleur — the groupset name is printed on it.
Yes on the trainers listed above — you unscrew the existing freehub body and fit the Shimano HG 11-speed road one (a cassette tool and a few minutes). On trainers that don’t list a Shimano HG 11-speed road body, conversion isn’t supported.