FSA Orbit 1.5Zs

1-1/8''/1.5'', 36°/45° ACB For tapered 50 mm/62 mm OD head tube For 1-1/8'' to 1.5'' tapered fork Upper: Forged alloy cup with ACB (blue seal) Lower: 1.5'' CNC-machined alloy cup with ACB (black seal) Stack height: 16.9 mm + 2.9 mm = 19.8 mm Weight: 124.6 g Attributes Bearing Grade ACB Sealed Crown Race Diameter 40mm Lower Cup 56mm Headset Type ZeroStack Upper Cup 44mm Headset Weight 125g Misc 36°/45° ACB Material Aluminum Primary Color Black S.H.I.S. ZS44/28.6 | ZS56/40 Steerer Tube 1-1/8''-1-1/2'' Stack Height 19.8 Headset Position Complete SHIS Upper ZS44/28.6 SHIS Lower ZS56/40