Is Shimano DEORE SHIFT LEVER I-SPEC EV 11s compatible with Shimano CUES REAR DERAILLEUR 11s?

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Not Compatible

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Issues found between Shimano DEORE SHIFT LEVER I-SPEC EV 11s and Shimano CUES REAR DERAILLEUR 11s

Notes & Caveats

  • Front speed mismatch: DEORE SHIFT LEVER I-SPEC EV 11s (3x) is not compatible with CUES REAR DERAILLEUR 11s (2x)
  • Front speed mismatch: CUES REAR DERAILLEUR 11s (2x) is not compatible with DEORE SHIFT LEVER I-SPEC EV 11s (3x)

Part A

Shimano DEORE SHIFT LEVER I-SPEC EV 11s

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Part B

Shimano CUES REAR DERAILLEUR 11s

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Frequently Asked Questions

Can I use Shimano DEORE SHIFT LEVER I-SPEC EV 11s with Shimano CUES REAR DERAILLEUR 11s?

No — Shimano DEORE SHIFT LEVER I-SPEC EV 11s and Shimano CUES REAR DERAILLEUR 11s are not compatible. Front speed mismatch: DEORE SHIFT LEVER I-SPEC EV 11s (3x) is not compatible with CUES REAR DERAILLEUR 11s (2x) Front speed mismatch: CUES REAR DERAILLEUR 11s (2x) is not compatible with DEORE SHIFT LEVER I-SPEC EV 11s (3x) Always confirm the exact specs before buying.

Do Shimano DEORE SHIFT LEVER I-SPEC EV 11s and Shimano CUES REAR DERAILLEUR 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 DEORE SHIFT LEVER I-SPEC EV 11s and Shimano CUES REAR DERAILLEUR 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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