Is Shimano GRX BRAKE LEVER 1X12s RX610 compatible with Shimano 105 REAR DERAILLEUR 12s?

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Compatible

high confidence

Shimano GRX BRAKE LEVER 1X12s RX610 works with Shimano 105 REAR DERAILLEUR 12s

Notes & Caveats

  • Matches required 12-speed standard
  • Uses cable shifting type

Part A

Shimano GRX BRAKE LEVER 1X12s RX610

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Part B

Shimano 105 REAR DERAILLEUR 12s

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Frequently Asked Questions

Can I use Shimano GRX BRAKE LEVER 1X12s RX610 with Shimano 105 REAR DERAILLEUR 12s?

Yes. Our compatibility engine found no conflicts between Shimano GRX BRAKE LEVER 1X12s RX610 and Shimano 105 REAR DERAILLEUR 12s. Matches required 12-speed standard Uses cable shifting type

Do Shimano GRX BRAKE LEVER 1X12s RX610 and Shimano 105 REAR DERAILLEUR 12s use the same number of speeds?

Yes, both are 12-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 GRX BRAKE LEVER 1X12s RX610 and Shimano 105 REAR DERAILLEUR 12s 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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