Shimano Dura Ace Di2 FD-R9250 2x12S braze-on front derailleur
Despite its smaller, lighter design, the Dura-Ace FD-R9250 brings the fastest front shifting. Tipping the scales under 100 grams, the new design shifts 45% quicker than Shimano's FD-R9150. The frontal area of the FD-R9250 is also reduced decreasing aerodynamic drag.
Features
- The fastest ever front shifting, 45% faster than FD-R9150.
- Smaller, sleeker, lighter.
- Top gear teeth capacity: 50-55T.
- Chain line: 44.5 mm.
- Chain stay angle: 61 - 66º
- Compatible chain: HG 12-speed.
- Weight: 96 g.