- Shimano shadow RD construction
- Low profile rear derailleur design, less likely to be damaged in crash
- Shimano Synchronised Shift and system communication with front derailleur
- SS: compatible with 11-25 to 11-30 cassttes
- GS: compatible with 11-28 to 11-34 cassettes
- Weight: 242g (SS), 249g (GS)
Specs
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