Home » headsets » Tapered Headset – Angle Limited » d345s TAPERED HEADSETS - ANGLE LIMITED D345S ZS44/28.6 | ZS55/40 Alloy Cap/Steel Cup Cartridge Bearing/Ball Retainer 1-1/8″ to 1.5″ Top Nut: 1-1/8″ Cup O.D.: 44/55 Crown Cone: 39.8 Height: 19 Technical Diagram