Shimano Alivio RD-M3100 Shadow 9 Speed Rear Derailleur gsforcee1 The only way to get

The only way to get the best out of your chain and its running efficiency is to make sure it’s regularly and properly cleaned and lubed

5K woven impact ends help prevent damage to unidirectional fibers from shortening the bar or impact with the ground

The upper layer is a lower density foam suitable for cushioning but with excellent resilience

Compatible with 16" to 29"+ wheels (ISO/ETRTO rim sizes from 317 to 630+)

Each box contains 4 "squares"

Shimano Alivio RD-M3100 Shadow 9 Speed Rear Derailleur gsforcee1 The only way to getThe SHIMANO ALIVIO M3100 rear derailleur delivers a low profile design that lets you ride aggressively with fewer interruptions thanks to its SHIMANO SHADOW design. Specifications Low profile design Adjustment barrel Compatible chain: Chain 9 Speeds Min. top sprocket: 12T Max. low sprocket: 36T Total capacity: 45T Cage: SGS long Gears: 9 speed Mfr Claimed Weight TBC