Derailleurs

- Prevents chain derailment when shifting to inner ring - Adjustable hose-type clamp fits 1-1/8" to 1-3/8" seat tubes

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 - Long cage for double or triple cranksets and 32T max cassette cog - Includes frame hanger attachment for use with older frame designs

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

- Replacement plate for M7000-GS rear derailleur - Choose Inner or Outer

Mezzo front derailleurs offer durable construction and seamless compatibility with existing systems, making repairs and upgrades easy. - Aluminum bracket, plastic body - Includes 31.8mm clamp adapter

Compatible with DUAL SIS index shifting, the Shimano Tourney TY front derailleur is perfect for 3x7 and 3x6 speed drivetrains. - Action: TOP SWING - Angled clamp band design - Applicable Top-Mid tooth difference: 10T - Chain line: 47.5/50mm - Chain stay angle: 66-69 - Top gear teeth: 48T - Total capacity: 20T

- Upper pulley has larger teeth for increased chain control