Shimano Alivio RD-M3100 9-Speed Long Cage Rear Derailleur with Shadow RD Tech Part Type_Assembly Compound Made from high-quality steel with

Made from high-quality steel with a durable coating

- Industry-leading Bead Socket Technology for reliable tire retention

Available in classic black

Designed for durability and reliability

Performance & Technology

Shimano Alivio RD-M3100 9-Speed Long Cage Rear Derailleur with Shadow RD Tech Part Type_Assembly Compound Made from high-quality steel withUpgrade your mountain biking performance with the Shimano Alivio RD M3100 Rear Derailleur a reliable, durable, and innovative 9 speed long cage derailleur designed for trail enthusiasts and off road adventurers. Featuring advanced Shadow RD technology, this derailleur offers superior protection against trail obstacles, ensuring smooth, consistent shifting even in rugged terrains. Materials and Construction: Constructed with high quality aluminum and