N+1 Bikes
microSHIFT M21 Rear Derailleur - 67 Speed Short Cage Dropout Claw Hanger BLK
- N+1 Bikes$12.99Buy
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From N+1 Bikes
M21 rear derailleurs are designed to work with 6- and 7-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs.Robust composite and steel constructionCompatible with Shimano 6- and 7-speed mountain and road systems