Shimano Dura-Ace 2x11s Front Derailleur (Clamp Band Mount 34.9 mm) FD-9000-B

Mount Type: Clamp Band Mount. Mount Clamp band: 34.9 mm. Chain stay angle: 61° -66°. Chain Line: 43.5 mm.

Compatible Chain: LINKGLIDE, HG 11-speed.