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Shimano GRX RD-RX815 11-Speed Di2 Rear Derailleur

ShimanoGRX RD-RX815 11-Speed Di2 Rear Derailleur(Return to Product Page)

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User submitted reviews

Review by Anonymous

Great looking mech...
by Anonymous
Cycling Enthusiast

Just an awesome look! Works very well too. Solid construction.

Reviewed 7/16/2025
Thank you for your feedback.

Review by Anonymous

Shimano simply the best
by Anonymous
Michigan
1 of 1 customers found this review helpful.

Great DI2 rear derailleur changed to the GRX from Dura Ace it's every bit as good and handles the wider range cassette with ease

Reviewed 6/1/2023
Thank you for your feedback.