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Microshift  |  SKU: RD0034

M21 Rear Derailleur - 6,7 Speed, Short Cage, Black

$12.99 USD
Color: Black
Size

Please Note:

Effective December 16th, 2025, we will no longer accept online orders for delivery or pick-up at stores, with the exception of JAX gift cards. Orders placed on or before that date will still be honored. Please see our announcement page for full details: https://jaxgoods.com/pages/website-announcement

Description

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 construction
* Compatible with Shimano 6- and 7-speed mountain and road systems

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