What Does the Shimano Altus RD-M370 Offer for Entry-Level 9-Speed Builds?

The Shimano Altus RD-M370-SGS is a dependable 9-speed MTB rear derailleur built for entry-level trail and recreational riding, delivering reliable indexed shifting without unnecessary complexity. The long SGS cage handles cassettes up to 34t with 45t total capacity, covering a wide range of gear combinations suited to varied terrain. Teflon-coated bushings reduce internal friction for smoother cable pull response, and the standard 10x1 direct-attach dropout mount suits the majority of entry and mid-level MTB frame designs.

Compatible with Shimano 9-speed MTB shifters. Standard 10x1 hanger mount. MPN: ERDM370SGSL. A straightforward, reliable replacement or upgrade derailleur for any 9-speed MTB drivetrain.