Shimano Dura-Ace FD-R9250 Di2 Front Derailleur OD Green Flashlight with a module efficiency of

with a module efficiency of 15

Built with durable materials that withstand exposure to the elements

The immaculate glass surface made of vitro-ceramic resists extreme heat without splitting or chipping

every click is meaningful and exact

A device with VESA 50

Shimano Dura-Ace FD-R9250 Di2 Front Derailleur OD Green Flashlight with a module efficiency ofDespite its smaller, lighter design, the Shimano Dura Ace FD R9250 offers ultra fast front shifting. Fast Di2 shifting performance Smaller, sleeker, lighter Frontal area is smaller than previous designs to reduce aerodynamic drag Top gear teeth capacity: 50 55t 61 66 degree chainstay angle Includes 1 SD300 port