Shimano Dynasys 11 Speed Mountain

comfortable feel

Adjustable on the fly

this bag will see you through many miles of adventures

Ideal internal rim width is 23mm

SHIMANO Rear Derailleur RD-M3100, Alivio ,SGS, 9-Speed, Top Normal wahoopromo Shimano Dynasys 11 Speed MountainThe SHIMANO ALIVIO RD M3100 9 speed rear derailleur delivers a low profile design that lets you ride aggressively with fewer interruptions thanks to its SHIMANO SHADOW design. The SHIMANO ALIVIO M3100 2x9 speed or 3x9 speed drivetrains receive new updated shifters and derailleurs. SHIMANO ALIVIO utilizes Shimano hallmark technologies including SHIMANO SHADOW RD derailleurs and RAPIDFIRE PLUS MONO technology in the left shifter to simplify the riding