FSA

Full Speed Ahead SX Headset 1 1/8

Product Code: 35993

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  • Regular price £49.95
  • 3 available
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Upper Headtube ID: 44mm (semi integrated)Lower Headtube ID: 49.57mm (1.5")For 1.1/8" steerer
  • 1.1/8" Upper to 1.5" bottom
  • For differential OD headtube
  • For tapered 50mm/61mm OD headtube
  • For 1.5" sized headtube and 1.1/8" steerer
  • Upper: forged alloy shallow cup with 36° &times 45° ACB
  • Lower: CNC machined alloy cup with 1.5", 36° &times 45° ACB
  • Stack height: 18.7 +2.4 = 21.1mm

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