Microshift M21 Rear Derailleur (Black) (6/7 Speed) (Short Cage)

Microshift M21 Rear Derailleur Description: The Microshift M21 Rear Derailleur is 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. Features: Robust composite and steel construction Compatible with Shimano 6/7 mountain and road systems Specifications: Speed: 6 Speed, 7 Speed Shifter Compatibility: Shimano Road & Mountain (6, 7 Speed) Shift Mechanism: Cable Actuated Max. Tooth: 34T Min. Tooth: 11T Chain Wrap Capacity: 39T (Super Short), 39T (Short), 43T (Long) Cage Material: Aluminum Chain Retention: - Color: Black Weight: 316g