Works Components 1.0 ZS44-ZS56 Angleset Headset : ZS44/28.6 | ZS56/40 ZeroStack Complete Black Set 2 99-112mm-

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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