• GRX Di2 11 speed front derailleur
• Delivers quick and smooth front shifting even under high pedaling torque
• Chainline +2.5 mm vs. conventional road FD for added tire clearance, up to 42mm
• 17T capacity offers wider gearing options like the 31/48T FC-RX810-2 crankset
• Programmed chain guide trim settings
• Can be used in full or semi SHIMANO SYNCHRONIZED SHIFT modes
• Top gear: 46T to 50T
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