SHIMANO Dura-Ace FD-9000 11-Speed Front Derailleur Material: Speeds: 2Pull Type: topMount: braze-on; [31.8mm/28.6mm] collar; [34.9mm] collarCapacity: Compatible Components: Dura-Ace 9000Weight: [braze-on] 66 gRecommended Use: road cyclingManufacturer Warranty: 3 years