FSA Orbit C-40 ACB No.42/ACB Integrated Tapered Headset

The FSA Orbit C-40 ACB integrated headset is tapered: it fits frames with a 1-1/8" upper and 1.5" lower head tube. It fits carbon or aluminium frames compatible with the No.42 standard.

• ACB angular contact bearings, 45°/45° upper and 36°/45° lower
• Sealed industrial-type lower cartridge, designed for continuous use
• Suitable for carbon or aluminium tapered head tubes
• Stainless steel crown race and aluminium alloy top cover
• Choose between black and silver and check that your frame is IS42 at the top and IS52 at the bottom

Technical specifications

• Type: Tapered integrated headset, 1-1/8" upper and 1.5" lower
• Upper bearing: Angular contact (ACB) 45°/45°
• Lower bearing: Sealed industrial-type ACB cartridge, 36°/45°
• Materials: Aluminium alloy top cover; stainless steel crown race
• Top cap: 7.8 mm (short) or 15 mm (tall)
• S.H.I.S. standard: IS42/28.6 | IS52/40; lower S.H.I.S. IS52; upper S.H.I.S. IS42; steerer diameter 28.6 (1 1/8")
• Package contents: Supplied with TH-874-1 star nut/top cap assembly
• Compatibility: Tapered head tube from 1.5" to 1-1/8"; lower bearing suitable for carbon or aluminium head tubes
• Colours: Black, Silver