Shimano Shimano Dura-Ace Di2 R9150 brazed on front derailleur

Front Derailleur. For road bikes. 2x11-speed. The SHIMANO DURA-ACE R9150 DI2 front derailleur delivers quick and smooth front shifting even under high pedaling torque. It has programmed chain guide trim settings and can be used in full or semi SHIMANO SYNCHRONIZED SHIFT modes.

• Ergonomic shifting operation without stress
• SHIMANO synchronized shift
• Race endurance for less damage in crash
• Quick and smooth front shifting "under" high pedaling torque
• Maintains compact and smooth appearance
• Average weight: 104 g
• Compatible chain: LINKGLIDE, HG 11-speed
• Action: Down Swing
• Mount: Brazed-On
• Chain line: 43.5 mm
• Chain stay angle: 61-66
• Top gear teeth: 50T-55T
• Total capacity: 16T
• Link bushings: 4
• SD50 port