microSHIFT M21 Rear Derailleur - 6/7 Speed Long Cage Black
microSHIFT M21 Rear Derailleur - 6/7 Speed Long Cage Black

microSHIFT M21 Rear Derailleur - 6/7 Speed Long Cage Black

SKU: RD0042

Regular price
$12.99
Sale price
$12.99
Regular price
$12.99
Expected Ship Date: Mon May 25
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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
    Largest Cog 32
    Rear Der/Shifter Compatibility Shimano Mountain
    Rear Derailleur Mount Type 10x1 Standard
    Drivetrain Speeds 7
    Chain Wrap Capacity (teeth) 43
    Cage Length Long
    Color Black
    Weight 206
  • Product Images Disclaimer
    Product images are for reference only and may not reflect the exact specifications, color, or components of the item offered for sale. Please refer to the product description and specifications for the most accurate details. If you have questions before purchasing, contact us and we’ll be happy to confirm.

    Why Shop with AMG Cyclery?

    ABOUT US

    Who We Are

    Born from a lifelong passion for all things bikes, AMG Cyclery is a small, family-run bike shop and community hub in Seaside, California. Founded by Alex and Alisa Gonzales, we believe cycling is for everyone — whether you’re chasing personal bests, heading out for a Sunday cruise, or just discovering two wheels for the first time. We build bikes that fit your style, service them with precision, and welcome every rider who walks through our doors. With a focus on community, craftsmanship, and riding culture, our shop has even been featured on The Radavist — a reflection of the unique bikes and vibrant energy you’ll find here.