Features :
- Extended B-Knuckle for improved clearance for 28t cassettes
- Exact Actuation shifting provides fast, accurate shifts
- Outside Carbon Cage designed for precise chain management and new reduced profile inner cage
- AeroGlide Pulleys with steel bearings
- Weight: 178g (short cage)
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Item# : SPM14863912732
Model # : 00a7518a030a001