Is Shimano CUES MONO LEFT SHIFTER I-SPEC II 2X11s compatible with Shimano ULTEGRA REAR DERAILLEUR MEDIUM CAGE 11s?

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Compatible

high confidence

Shimano CUES MONO LEFT SHIFTER I-SPEC II 2X11s works with Shimano ULTEGRA REAR DERAILLEUR MEDIUM CAGE 11s

What we checked

  • Both are 11-speed
  • Both use cable actuation
  • Both are Shimano drivetrain parts

Part A

Shimano CUES MONO LEFT SHIFTER I-SPEC II 2X11s

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Part B

Shimano ULTEGRA REAR DERAILLEUR MEDIUM CAGE 11s

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Frequently Asked Questions

Can I use Shimano CUES MONO LEFT SHIFTER I-SPEC II 2X11s with Shimano ULTEGRA REAR DERAILLEUR MEDIUM CAGE 11s?

Yes. Both are 11-speed Both use cable actuation Always confirm the exact specification on the retailer's listing before buying.

Do Shimano CUES MONO LEFT SHIFTER I-SPEC II 2X11s and Shimano ULTEGRA REAR DERAILLEUR MEDIUM CAGE 11s use the same number of speeds?

Yes, both are 11-speed components. Matching the speed count is the single most important drivetrain requirement: the cassette spacing and cable pull are designed around it.

Are Shimano CUES MONO LEFT SHIFTER I-SPEC II 2X11s and Shimano ULTEGRA REAR DERAILLEUR MEDIUM CAGE 11s the same shifting type?

Yes, both are mechanical (cable-actuated). The cable pull ratio must still match between brands and generations for precise shifting.

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