Home » headsets » Tapered Headsets » p562a TAPERED HEADSETS P562A ZS44/28.6-26tpi | ZS55/40 Alloy Sealed Bearings 1-1/8″ to 1.5″ Tapered Head Tube & Steerer Top Nut: 25.4 Cup O.D.: 44/55 Crown Cone: 39.8 Height: 19.5 Technical Diagram