The Shimano GRX Di2 FD-RX815-F Front Derailleur is designed for riding on rough road, and provides for ultra-smooth shifting by flawlessly moving your chain up and down your crankset without extra effort. The result is a shift that is precise and direct, with no delay. The GRX Di2 Front Derailleur benefits with lighter front shifting, wider tire clearance, wider range front gearing, and precise electronic shifting.
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