Home » headsets » Threaded Headsets » y95a THREADED HEADSETS Y95A EC29/29.4-24tpi | EC29/27 EC30/25.4-24tpi | EC30/26 Alloy Cap/Cup Sealed Bearings Top Nut: 22.2 Cup O.D.: 30/30.2 Crown Cone: 27/26.4 Height: 36 Technical Diagram - Y95A Technical Diagram - Y95A-1