SHIMANO Rear Derailleur RD-M3100, Alivio ,SGS, 9-Speed, Top Normal closeout Please check the three digit

Please check the three digit ERD before ordering:  xx-XXX or XXX-xx

Thanks to the proven freehub Ratchet System

Available with World Championship proven TNT bead technology

BR-6500 105 BR-5800

SHIMANO Rear Derailleur RD-M3100, Alivio ,SGS, 9-Speed, Top Normal closeout Please check the three digitThe 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