SHIMANO RD-M6100 Deore Rear Bicycle DerailleursSHIMANO RD M6100 Deore Rear Bicycle Derailleurs The Shimano RD M6100 Rear Derailleur provides efficient and smooth shifting for Deore M6100 12 speed drivetrains. Features the Shadow RD+ chain stabilizer system to minimize chain slap Fast and precise shifting 13T pulley For single front chainring setup 51T max cog size

and faster closure

Fit truly matters for both comfort and safety

The ODI Ruffian XL is the of modernized classics

race-ready profile

Optimized comfort for commuting

Compatible with all Crankbrothers clip-in pedals

Crankbrothers Multi 20 Bicycle Multi Tools

Certification: DOT approved

Emergency-release cheek pads for added safety

Angular-Contact Suspension Bearing - 12mm x 21mm x 8mm -

and leak-proof lid that will keep you covered no matter what your day has in store

Weight: Features a lightweight construction