microSHIFT M21 Rear Derailleur - 6/7 Speed Long Cage Black CheckoutTitle=FOX Steel Rear Shock Coil Spring - 600 lb. x 2.35 Spring Travel Clamp Style Standard Rails Color

Clamp Style Standard Rails Color Silver Defined Color Silver Diameter 27

Compatible with existing AXS batteries (Sold separately)

Silence and efficiency are the key benefits of this chainguide

63mm width 545mm² surface area for maximum power transfer and stability superior mud shedding ability

Simple left/right switching

microSHIFT M21 Rear Derailleur - 6/7 Speed Long Cage Black CheckoutTitle=FOX Steel Rear Shock Coil Spring - 600 lb. x 2.35 Spring Travel Clamp Style Standard Rails ColormicroSHIFT M21 Rear Derailleur 6 7 Speed Long 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 Largest Cog 32Rear Der Shifter Compatibility Shimano MountainRear Derailleur Mount Type 10x1