Chainring Type: Double
- Hollowglide: Yes
- Teeth: available in 34T or 36T versions
- BCD: 110mm
- Speed: 12-speed
- Compatibility: ULTEGRA R8100 Series
Chainring Type: Double
- Hollowglide: Yes
- Teeth: available in 34T or 36T versions
- BCD: 110mm
- Speed: 12-speed
- Compatibility: ULTEGRA R8100 Series