Check the listing for details. Works Components 2.0deg EC44-ZS56 Angleset, Angle Headset, 2.0°, 100-109mm,. Color: Black, Condition: New. Listed at 89.95 USD. EC44-ZS56 Angleset To suit tapered forks. Split type 7075-T6 aluminium crown race for simple, tool free installation. Upper cup Stack height: 11mm - Total upper stack height including bearing cover: 16mm. Lower cup Stack height: 2.5mm. Upper Bearing: 41mm OD, 45 x 45 Degree AC sealed bearing. Lower Bearing: 52mm OD, 45 x 45 Degree AC sealed bearing. 'SHIS' standard headsets. Headset comes complete with top-cap (star-nut included), bearings and crown race - all parts required for fitment. Item Specifications: Bearing Type, ACB Sealed, Crown Race, 40mm, S.H.I.S Upper, 56mm, Headset type, ZS, External threadless, S.H.I.S. Upper, 44mm, Misc, Headtube length 100-109mm, Material, 7075-T6 Aluminum, Defined Color, Black, S.H.I.S. Designation, EC44/28.6 | ZS56/40, eBay Steerer Tube Diameter,.