C-Record upper headtube race for 1″ headset larger 40.5mm OD for 3/16″ balls #7133086 Post date January 1, 1970 ← C-Record alloy top nut for headset 25×1 French thread & spacing washer with flat inside → Set of clamps for any Campagnolo 2 bolt seatpost. These will create #1045 post that was for the specific Brooks saddle with the narrow rails=20mm wide