We carry Shimano rear derailleurs for 12-speed Shimano road and gravel groupsets. Most of these derailleurs are part of Shimano’s Di2 semi-wireless drivetrains, but we also offer 12-speed mechanical GRX rear derailleurs. Each of these are compatible with Shimano 12-speed cassettes and feature Shimano’s precise, ultra-fast shifting.
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The perfect balance of price and performance
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A feature packed Shimano GRX 12-speed mechanical rear derailleur
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Shimano Di2 rear derailleur for GRX 12-speed drivetrains
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Features a carbon derailleur cage and delivers quick and reliable shifting!
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Faster shifting than ever before!