Shimano, Ultegra RD-R8000, Rear derailleur, 11sp., SS, Grey
- Shimano shadow RD construction
- Low profile rear derailleur design, less likely to be damaged in crash
- SS: compatible with 11-25 to 11-30 cassttes
- GS: compatible with 11-28 to 11-34 cassettes
- Weight: 200g
