Shimano GRX FD-RX815-F 2 x 11 Speed Di2 Braze-On Front Derailleur, 50t max Chainring

GRX FD-RX815 Di2 Front Derailleur Operates with Shimano Di2 for digital electronic shifting Chainline is increased by 2.5mm over conventional front derailleurs for greater tire clearance in the front 17t front range provides more gear range in the front D