Shimano FD-R8000 Ultegra Double Front Derailleur 11-Speed Braze-OnThe Shimano FD-R8000 Ultegra Double Front Derailleur is a uses a new link construction to allow more flexible cable routing; while match the force curve of the hand more naturally to reduce effort at the end of shifting. This derailleur has easy and precise adjustments and does not require specialized tools to adjust the cable tension. Has been redesigned to fit wider gear pitch without sacrificing shifting performance. Compatible with 2x11 speed setups. The Top Gear Teeth can be from 46-53T, the total capacity is 16T, and the chain stay angle is 61-66 degrees. Weighs only 92g.689228392755