Shimano Altus RD-M370-SGS Rear Derailleur - 9 Speed | Long Cage

Shimano Altus RD-M370-SGS Rear Derailleur - 9 Speed | Long Cage Shimano

Shimano Altus RD-M370-SGS Rear Derailleur - 9 Speed | Long Cage

Shimano Altus RD-M370-SGS Rear Derailleur - 9 Speed | Long Cage

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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.

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$29.99
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  • Estimated delivery: May 24 - May 28

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Specifications

  • MPN: ERDM370SGSL
  • Speed: 9-speed
  • Cage Length: Long (SGS)
  • Max Low Sprocket: 34t
  • Min Top Sprocket: 11t
  • Total Capacity: 45t
  • Bushings: Teflon-coated
  • Mount: Standard 10x1
  • Shifter Compatibility: Shimano 9-speed MTB
  • Color: Black

FAQ

What frame mount type does the RD-M370-SGS use?

The RD-M370-SGS uses a standard 10x1 direct-attach hanger mount. It is not compatible with Shimano Rear Direct Mount frames.

Is the RD-M370 compatible with 8-speed shifters?

No. The RD-M370 is a 9-speed derailleur and is designed for Shimano 9-speed MTB shifters. It will not index correctly with 8-speed components.

Is there a medium cage version available?

Yes. Shimano also offers the RD-M370 in a GS medium cage version for narrower-range cassette setups. The SGS long cage listed here is the more versatile option for MTB use with wide-range cassettes.

Best For

Entry-level and recreational MTB riders on standard 10x1 hanger frames running 9-speed Shimano drivetrains who need a reliable, wide-range rear derailleur at an accessible price.

Shimano Altus RD-M370-SGS Rear Derailleur - 9 Speed | Long Cage Reviews:

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