US$ 40.00
UPC: 710845888496
142135-Q0-L
UPC: 710845768200
With the all-new Thru-Axle Adapter
Provides easy modulation of braking force
microSHIFT M21 Rear Derailleur - 6,7 Speed, Short Cage, Black 29" Suspension Forks UPC: 710845888496M21 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 construction Compatible with Shimano 6 and 7 speed mountain and road systems Product Specifics Largest Cog: 34 Rear Der Shifter Compatibility: Shimano Mountain Rear Derailleur Mount Type: 10x1 Standard Drivetrain Speeds: 6 Drivetrain Speeds: 7
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