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Shimano Dura-Ace RD-7900-SS Rear DerailleurShimano's first carbon fiber rear derailleur has lost some weight and is now compatible with wider range cogsets!
- Carbon pulley cage and P-body lighten this rear derailleur by 16g (when compared to the RD-7800 rear derailleur) while maintaining strength, rigidity and performance
- New design with an expanded chain wrap capacity accommodates a maximum 28 tooth cog for better compatibility with compact cranks
- Broadest chain wrap capacity of any rear derailleur on the market
- Short cage design
Shimano Dura-Ace RD-7900-SS Rear Derailleur
- max. cog:
- max. front difference:
- min. cog: