Features of the Shimano Ultegra FD-R8000 Front Derailleur 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 Action_down swing Cable adjust Mount_clamp band_28.6mm Mount_clamp band_31.8mm Mount_clamp band_34.9mm Specifications Average weight: 106 g Chain line (mm): 43.5 Chain stay angle: 61-66 Compatible chain: HG-EV 11-speed/ HG-x11 Link bushings: 8 Speeds_front: 2 Speeds_rear: 11 Top gear teeth: 46-53T Total capacity: 16T Mount band type: 34.9mm,brazed-on,band type 31.8mm