Vintage Campagnolo Brake Caliper Set Aero Chorus C-Record Era 80s. Markings: Campagnolo winged-wheel shield logos on the arms; Brev. Stamped near the pivot/boss area. Materials/Color: Aluminum alloy in silver. Actual Measurements (per scale): Weight 300 grams (pair). The best I can tell these are Chorus. It it possible they are a different model. Please see pictures for the parts you will receive. Parts shown in the pictures are included.