Works Components, 1.0 ZS44-ZS56 Angleset, Headset, : ZS44/28.6 | ZS56/40, ZeroStack, Complete, Black, Set 1 85-98mm

• To suit Tapered steerer tube • Upper cup Stack height: 3mm - Total upper stack height including bearing cover: 8mm • Lower cup Stack height: 3mm • Upper Bearing: 41mm OD, 45 x 45 Degree AC sealed bearing • Lower Bearing: 52mm OD, 45 x 45 Degree AC sealed bearing • Split type 7075-T6 aluminium crown race for simple, tool free installation • Headset comes complete with top-cap (star-nut included), bearings and crown race - all parts required for fitment