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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
Storage: Internal downtube storage
12-speed cassette
the Ultegra R8020 lever and R8070 caliper offer pro-level performance without compromise
Brake Type: Center mount single bolt
Shimano GRX RD-RX815 Rear Derailleur 11-Speed Long Cage Di2 1x 2x Black Default:Default Storage: Internal downtube storageProduct Description The Shimano GRX RD RX815 rear derailleur is a premium 11 speed Di2 gravel derailleur built for smooth, reliable shifting across mixed surfaces. It uses Shimanos electronic Di2 platform and a gravel tuned clutch to improve chain stability and shifting confidence on rough terrain. Unlike the RX817 1x specific version, the RD RX815 is designed for both 1x and 2x GRX drivetrains, making it a versatile option for gravel and all road
US$ 29.99
US$ 19.99
US$ 39.99
