SHIMANO Rear Derailleur RD-M3100, Alivio ,SGS, 9-Speed, Top Normal closeout Driver or Passenger side swing

Driver or Passenger side swing

green poly-urethane grease

Provide a high level of stopping power

Available with World Championship proven TNT bead technology

especially for rough or off-road use

SHIMANO Rear Derailleur RD-M3100, Alivio ,SGS, 9-Speed, Top Normal closeout Driver or Passenger side swingThe 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