5-Digit Programmable Combination Lock

12 replaceable alloy pins available in seven colors (red

Velcro Flap for Added Comfort

Ideal internal rim width is 23mm

Weight (no hardware) – 20g

SHIMANO Rear Derailleur RD-M3100, Alivio ,SGS, 9-Speed, Top Normal wahoopromo 5-Digit Programmable Combination LockThe 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