The Shimano RD-7900 Dura-Ace rear derailleur features an enhanced cable pull mechanism and wider gear ratio optimized for compact and standard gearing combinations. It features:
- SS Short Cage
- Wide link design increases rigidity, precision, and service life
- 4 flourine coated link pivot bushings minimize friction
- Aluminum/composite body with a carbon fiber cage assembly and 11t sealed bearing pulleys for smooth performance
- Speed: 10 speed
- Min/Max rear cog: 11/28T
- Capacity: 33T
- Weight:
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