Orbit CF-40

• Upper 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