Orbit C-40 ACB

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1-1/8'' 45/45 ACB upper - 42mm OD 1.5'' 36/45 ACB lower - 52mm OD Compatible with carbon or alloy head tubes For 1-1/8'' to 1.5'' tapered steerers 16.3mm stack height 74.2g Attribu tes Bearing Grade ACB Sealed Crown Race Diameter 40mm Headset Position Complete Headset Type Integrated Headset Weight 81.2g Lower Cup 52mm Misc 36°/45° ACB Primary Color Black S.H.I.S. IS42/28.6 | IS52/40 SHIS Lower IS52/40 SHIS Upper IS42/28.6 Stack Height 16.4 Steerer Tube 1-1/8''-1-1/2'' Upper Cup 42mm Show more