Microshift R9 R43M Road Rear Derailleur (Black) (9 Speed) (Medium Cage) (Shimano Compatible)

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The Microshift R43M Rear Derailleur is designed to work with 9-speed Shimano-compatible shifters as well as 7, 8, and some 10-speed shifters (Shimano Road 10-speed only).


  • Weight saving aluminum bracket body and outer link
  • Steel pulley cage for extra chain-rub durability
  • Compatible with Shimano Mountain & Road 7, 8, and 9-speed and Shimano Road 10-speed systems
  • Not compatible with Shimano Tiagra 4700 road system or GRX-400
  • Medium cage for double 34T setup

Speed: 9 Speed
Shifter Compatibility: Shimano Road & Mountain (7, 8, 9 Speed), Shimano Road (10 Speed)
Shift Mechanism: Cable Actuated
Max. Tooth: 34T
Min. Tooth: 11T
Chain Wrap Capacity: 39T
Cage Material: Steel
Chain Retention: -
Color: Black
Weight: 291g

This product was added to our catalog on August 12, 2019