Description The Shimano GRX FD-RX400 front derailleur offers lighter front shifting and extra front tire clearance for gravel bikes.
•An ergonomic power curve and link (toggle) construction help to provide a natural stroke feeling when shifting
•An additional 2.5mm is added to the chainline to provide more room for wider tires
•Compatible with up to 42mm tires
•Link (toggle) construction allows for more cable routing options
•Integrated cable tension adjustment
•16t total capacity
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