microSHIFT M21 Rear Derailleur - 6/7 Speed Long Cage Black MPFN-337030006 STRONGER: Front and Rear Specific

STRONGER: Front and Rear Specific Rims with carbon layups optimized for strength and weight boast 15% greater front wheel strength and 25% more rear wheel strength than the previous Traverse SL

Redesigned shape of the pulley teeth now give better chain retention and accurate shifts every time

Color Frozen Stealth Defined Color Black Flange No Grip Shift Specific No Length 135 Lock On Yes Shape Round

Microfleece thumb wipe

} Sealed cartridge bearings that drop directly into the head tube

microSHIFT M21 Rear Derailleur - 6/7 Speed Long Cage Black MPFN-337030006 STRONGER: Front and Rear SpecificM21 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 Largest Cog 32 Rear Der Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 7 Chain Wrap Capacity (teeth) 43 Cage Length Long