Shimano Dura-Ace Di2 FD-R9150 2x11 Braze-on Front Derailleur GS-GX-1-B2 RX4+ Designed to work with

RX4+ Designed to work with Sram dropbar brake systems (Dot Fluid)

Dimension: 268x146

Float (degrees): 6°

Aluminium dissipates heat quickly which works perfectly for braking

Shimano Dura-Ace Di2 FD-R9150 2x11 Braze-on Front Derailleur GS-GX-1-B2 RX4+ Designed to work withShimano's DURA ACE Di2 front derailleur delivers unmatched shift quality, for quick and smooth performance even under high pedalling torque. Combined with Shimano's Synchro Shift customizable programming, DURA ACE Di2 delivers a level of intuitive shift performance never before seen. What is Shimano Di2? Shimano's Di2 (Digital Integrated Intelligence) is a shifting option to Shimano's proven mechanical shifting. Instead of mechanical cables, Di2 is an