Works Components 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 Attributes Angle 1. 0 Bearing Grade ACB Sealed Crown Race Diameter 30mm Headset Position Complete Steerer