Dura Ace FD-R9250 Frame Locks It features a 1

It features a 1

Compatible with 2011-2012 Cervelo models R3

Expanding Microcell Sponge

TIME's proprietary ATAC system makes clipping in super easy

Pulley Compatibility GX Eagle

Dura Ace FD-R9250 Frame Locks It features a 1The fastest just got faster thanks to the DURA ACE FD R9250 Di2 electronic front derailleur. Tipping the scales under 100 grams, the new design shifts 45% quicker than Shimano's FD R9150, already the fastest on the market. The frontal area of the FD R9250 is also reduced, decreasing aerodynamic drag. 45% faster shifting than FD R9150 Frontal area reduced by 33% Weight cut to 96 g Top gear teeth capacity: 50 55T Attributes Cable Pull Di2 Chainline 43.