Shimano Ultegra Di2 FD-R8050 Front Derailleur (2 x 11 Speed) (Braze-On) (Electronic)

Shimano has done it again with the Ultegra Di2 RD-8050 series. Modeled after the Dura Ace Di2 RD-9150 series, the front derailleur features a beautiful, small design and is capable of full and semi synchronized shifting. With Di2, you get fast, reliable, electronic shifting that is completely customizable via the E-TUBE Project.

Features: 

• Smooth shifting under pedaling load
• Communicates with rear derailleur for auto "trim"
• Capable of "Synchro-Shift"
• Compatible with all Di2 products that use E-Tubes

Specifications: 
Model: Shimano Ultegra FD-R8050
Top Gear Teeth: 46-53T
Chain Stay Angle: 61-66
Chain Line: 43,5
Speeds: 2x11 speed 
Weight: 132g