Front and rear derailleurs designed for fast, precise, and consistent shifting, even under load. Compatible with road, gravel, and mountain drivetrains for optimal setup and lasting reliability.
The SHIMANO ALIVIO M3100 rear derailleur offers a low-profile design that lets you ride aggressively with fewer interruptions, thanks to its SHIMANO SHADOW design.
The braze-on mounting bolt improves stability Fewer dropped chains More ergonomic operation New chain guide and FC tooth profile with HG-X chain Light action
