FSA Orbit 1.5E ZS Semi-Integrated Tapered Steerer 44/56mm Headset

1.1/8" 36° × 45° Angled Contact Bearings For tapered 50mm/62mm O/D Head Tube (1.1/8" to 1.5" steerer tube) Alloy top cover Forged alloy upper cup 1.5" CNC machined alloy lower cup Colour Black Steerer 1.1/8-1.5" Lower 56.0mm Upper 44.0mm Stack height: 16.9 + 2.9 = 19.8mm