Shimano GRX RX815 Front Derailleur Di2 11-Speed

GRX
Designed for riding on rough roads, through gravel and mud, to be able to carry on in comfort, stress-free, to wherever you want, to allow you to achieve that unique sense of accomplishment. The first groupset designed for Gravel riding Explore beyond. Introducing SHIMANO GRX

Di2 for Gravel
The Shimano GRX Di2 FD-RX815 front derailleur offers quick and smooth front shifting and extra front tire clearance for gravel bikes.
. SEIS (Shimano Electronic Intelligent System) . Weight: 135g . Capacity: 17 . Top Gear: 46-50T . Mount Type: Braze-on . Speed: 11 . An additional 2.5mm is added to the chainline to provide more room for wider tires (up to 42mm)