An aluminum outer cage prevents the chain from escaping when upshifting, and increases speed in the downshift phase with less noise. Forged aluminum construction and steel screws. Provides clearance for larger tires up to 32mm. Front Derailleur Cable Pull: Bottom Pull. Front Der/Shifter Compatibility: Campy Centaur/Potenza/Chorus/Record/Super Record 2015+.Please check all specifics above, especially on Forks, Wheels, and Tires. Axle, steer tubes, and other specifics may vary. PLEASE NO PO BOX's. Shop Info and Return Address. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Front Derailleurs". The seller is "bicycle_addiction" and is located in this country: US. This item can be shipped to United States.