Shimano MicroSHIFT R9 2×9/10-Speed Rear Derailleur – RD-R43M

Description

R-series rear derailleurs are designed to work with Shimano-compatible road shifters. These R9 rear derailleurs combine compatibility, weight savings, and a robust design.
– Weight-saving aluminum bracket body and outer link
– Steel pulley cage for extra chain-rub durability
– Compatible with Shimano 9 and 10-speed road systems
– Not compatible with Shimano Tiagra 4700 road system
– Short cage for double crankset 28T max cog setup
– Medium cage for double crankset and 34T max cog
– Long cage for triple crankset and 28T max cog

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