SHIMANO Rear Derailleur RD-M3100, Alivio ,SGS, 9-Speed, Top Normal closeout Compatible with H2Pro Accessory Ba

Compatible with H2Pro Accessory Ba

green poly-urethane grease

Thanks to the proven freehub Ratchet System

The Duet is a traditional ding-dong bell with the beautifully resonant ring of solid brass

SHIMANO Rear Derailleur RD-M3100, Alivio ,SGS, 9-Speed, Top Normal closeout Compatible with H2Pro Accessory BaThe 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