MicroShift
M21 Rear Derailleur, 6/7-Speed, Shimano Compatible

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$12⁹⁵

orig: $23⁹⁹ save 46%

1 available in-store, 201 available online

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M21 rear derailleurs are designed to work with 6, 7, 8-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs.

Compatible with Shimano 6, 7, 8-speed mountain and road systems
Frame hanger attachment
Long cage for double or triple 32T setup
Robust composite and steel construction

Specifications

Cage Length

Long

Cassette Spacing

Shimano / SRAM 7

Chain Wrap Capacity

43t

Color

Black

Derailleur Mount Style

Dropout Claw Hanger

Largest Cog

32t

Rear Shifter Compatibility

Shimano Mountain

Speeds

7-Speed

Weight

316

UPC

4710495436357

MPN

RD-M21LA

Tree Fort ID:

333222430672

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MicroShiftM21 Rear Derailleur, 6/7-Speed, Shimano Compatible

Specifications

Customer Questions

MicroShift
M21 Rear Derailleur, 6/7-Speed, Shimano Compatible