Check the listing for details. Works Components 1.0 EC34-EC34 Angleset-1 1/8'', Headset, : EC34/28.6 |. Color: Black, Condition: New. Listed at 99.94 USD. 1.0 EC34-EC34 Angleset-1 1/8'' To suit 1 1/8" forks. Split type 7075-T6 aluminium crown race for simple, tool free installation. Upper Bearing: 41mm OD, 45 x 45 Degree AC sealed bearing. Lower Bearing: 41mm 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, 30mm, S.H.I.S Upper, 34mm, Headset type, External, Threadless, S.H.I.S. Upper, 34mm, Misc, Headtube Length 117-126mm, Material, 7075-T6 Aluminum, Defined Color, Black, S.H.I.S. Designation, EC34/28.6 | EC34/30, eBay Steerer Tube Diameter, 1-1/8'', Stack Height, 27, Headset Position, Complete, S.H.I.S Upper, EC34/28.6, S.H.I.S Lower, EC34/30, Head.