Shimano Ultegra R8000 Front Derailleur features toggle link construction which matches the force curve of the hand more naturally. Lighter front shifting operation. New link construction matches the force curve of the hand more naturally to reduce effort at the end of shifting. 100% perfect setting. New link construction allows for more flexible cable routing design. TL-FD68 and turning converter is not required in assembly. Easy and precise setting. Now possible to adjust cable tension on FD without specialized tools. Redesigned to fit wider gear pitch without sacrificing shifting performance. Shorter length of rear center (410mm) with O.L.D. 135mm.