microSHIFT M21 Rear Derailleur - 67 Speed Short Cage Dropout Claw Hanger BLK MFPN=TB00211500 2mm Steerer Tube 1-1/8 Stem

2mm Steerer Tube 1-1/8 Stem Length 40mm Stack Height 30 Stem Weight 242g Face Plate Bolts 4 Primary Color Silver

Impressively HYPR decreases rolling resistance and increases traction all while keeping durability equal to our previous rubber compounds

100% UV protection

Popular among messengers and paper carriers is designed to carry large loads with its stout legs cargo bands and heavy duty handlebar clamps

Arm rests provide comfortable posture for longer rides

microSHIFT M21 Rear Derailleur - 67 Speed Short Cage Dropout Claw Hanger BLK MFPN=TB00211500 2mm Steerer Tube 1-1/8 StemmicroSHIFT M21 Rear Derailleur 67 Speed Short Cage Dropout Claw Hanger 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 7