Shimano RD-M3100 Rear Derailleur Alivio Shadow 9-Speed clothing As upper layers change with

As upper layers change with the season or activity

Strive 14 GW shaves weight without compromising durability by using just enough metal where it’s needed most

the GSC-4 scrubs away the toughest muck and mess

this iconic

Shimano RD-M3100 Rear Derailleur Alivio Shadow 9-Speed clothing As upper layers change withThe Shimano Alivio M3100 rear derailleur delivers a low profile design that lets you ride aggressively with fewer interruptions thanks to Shimanos patented Shadow design. Because of its low profile and single tension construction, the derailleur does not hit the chain stay in rough riding conditions. The result is smooth and silent performance.