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Tiagra-level BB86 press-fit Hollowtech II bottom bracket
Slightly thicker tread base
2 NUTRITION COMPARTMENTS
Misc Universal Valve Valve Presta
Orbit CF-40 Cranksets Tiagra-level BB86 press-fit Hollowtech IIUpper bearing: 1 1 8'' Campy, 45 45 ACB (yellow seal) Lower bearing: 1. 5'', 36 45 ACB For tapered fork steerer 1 1 8'' Headtube OD: tapered 46 mm 56 mm Stack height: 16 mm 1 mm Attributes Bearing Grade ACB Sealed Crown Race Diameter 40mm Headset Position Complete Headset Type Integrated Headset Weight 86. 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
