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Shimano105 CS R7000 R7100
Weather and wear-resistant nickel plated steel cogs and an aluminum spider carrier helps boost the durability and creates plenty of stiffness for crisp shifts and it's fully compatible across all Shimano 11-speed road groups. The Shimano 105 RD-R7000 11-speed rear derailleur is available in either a short cage (SS) or medium cage...