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

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 S