microSHIFT M21 Rear Derailleur - 67 Speed Short Cage Black Size-453g 8 Weight 260 Width 650

8 Weight 260 Width 650

7 is a lightweight stem with clean aesthetics

This replacement plastic strap slot insert allows for use of Salsa EXP Series Tube Strap on Blackthorn and Cassidy Carbon frames

Air can diameter on Gen 2 is also reduced by 6mm from 57mm to 51mm

This modular system is designed around our EXP Series Side-Load Dry Bag which maintains a fixed height for loading with ease or you can use your own dry bag

microSHIFT M21 Rear Derailleur - 67 Speed Short Cage Black Size-453g 8 Weight 260 Width 650microSHIFT M21 Rear Derailleur 67 Speed Short Cage Black. 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 TECH SPECS Cage Length Short Chain Wrap Capacity (teeth) 39 Color Black Drivetrain Speeds 6 Drivetrain Speeds 7