Upper and lower aluminum bodies are black, giving this shifting system - preferred by pros - a more aggressive look.
- Upper to lower pulley-axle: 55 mm
- Composite outer plate
- Parallelogram with 11s geometry
- Black anodized forged aluminium upper and lower body
- Metal-carbon cage
- Lightened special rubber pulleys
- Pulley movement with ceramic ball bushings
- Weight: 172g