Shimano Alivio RD_M3100 SGS rear derailleur

Upgrade your trail ride with the SHIMANO Alivio RD-M3100 SGS 9-Speed Rear Derailleur. Featuring SHIMANO SHADOW RD low-profile design for enhanced durability and reduced chain slap, this derailleur offers crisp, smooth, and reliable shifting. The SGS long cage boasts a 45T total capacity, perfect for wide-range 9-speed cassettes up to 36T, enabling you to conquer any climb. Easy direct attachment mounting and an integrated barrel adjuster ensure simple installation and precise on-the-trail adjustments. Experience dependable performance and focus on the ride