Shimano Ultegra FD-R8150 Di2 Front Derailleur - 2x12-Speed | Braze-On Derailleur Parts CLIF developed the Sours line

CLIF developed the Sours line in 2024 in direct response to athlete feedback

the Blade Carbon is the clear step up

The setup process is the same throughout: tape the rim

the CS-R8000 achieves the fast

Compatible with all Shimano 11-speed road drivetrains including Ultegra R8000

Shimano Ultegra FD-R8150 Di2 Front Derailleur - 2x12-Speed | Braze-On Derailleur Parts CLIF developed the Sours lineIs the Shimano Ultegra FD R8150 the Right Di2 Front Derailleur for Your Build? The Shimano Ultegra FD R8150 brings flagship grade Di2 front shifting to the Ultegra tier, engineered alongside the R9200 generation with a 45% faster shift speed and a 33% reduction in frontal area compared to the previous generation FD R8070. At 116 grams, the semi wireless Di2 architecture keeps the derailleur wired to the BT DN300 battery via EW SD300 E Tube cable while