Shimano Ultegra FD-R8150 Di2 12 Speed Front Derailleur gsforcee1 Accepted by the UCI for

Accepted by the UCI for road competition - the perimeter edge of the Catalyst brake rotor does not contain any 90 degree edges

less fatiguing ride

HG-EV technology for smooth

Internal Airflow Channels

Each serving delivers 80g of carbohydrates

Shimano Ultegra FD-R8150 Di2 12 Speed Front Derailleur gsforcee1 Accepted by the UCI forMore compact and faster than ever, the Shimano Ultegra FD R8150 Di2 12 Speed Front Derailleur performs digitally precise front shifts in any circumstance. Combining Shimano's Di2 platform with the road incarnation of Hyperglide+, it shifts between chainrings with Shimano's fastest, most seamless action. Specifications Fastest ever front shifting 45% faster than FD R9150 Smaller, sleeker, lighter Frontal area reduced by 33% Weight cut to 116g Top gear