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NO.11N Internal

NO.11N Internal


This lightweight internal headset is designed for 49mm OD head tubes and features deep cups made from forged alloy for strength and low weight – the No. 11N weighs 124.3 grams. Inside you’ll find integrated semi-cartridge bearings to accommodate a 1-1/8in steerer tube.


  • 1-1/8in, Semi-cartridge bearing type
  • For 49mm OD head tube
  • 1-1/8in steererAlloy top cover
  • Chromoly steel cups with integrated semi-cartridge bearings


  • Stack Height 18.7+3=21.7mm
  • Weight: 124.3g