VIntage Campagnolo 1 inch threaded headset for classic road, racing or track bikes. This might be C-Record or Chorus, parts might not match the included Record box. Italian thread 25.4 x 24F is stamped on the cup, with Brev Int Campagnolo and Made in Italy logos on multiple parts. Silver aluminum and steel construction for 1 inch threaded steerers. Measured dimensions shown in the photos include 26.39 mm and 30.33 mm diameters. Weight with all included parts is 167.7 g as shown. Only the parts shown in the pictures are included. Vintage Campagnolo 1 inch threaded headset. Races look ok, might not be perfect. It’s possible the box doesn’t match the parts. Aluminum and steel pieces show scratches, nicks, wrench marks and worn finish with areas of oxidation, pitting, grime and old grease on cups, races and crown race.