Shimano GRX Di2 FD-RX815 Front Derailleur
Features
Chainline +2.5 mm vs. conventional road FD
17T front range
Wider tire clearance
Wider range front gearing
Specifications
Compatible Chain: HG-EV 11-speed/ HG-X11
Mount: braze-on
Chainline: 46mm
Chainstay Angle: 61-66
Top Gear Teeth: 46-50T
E-Tube Port: 1