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NO.53-1 Integrated

NO.53-1 Integrated


Designed for the intermediate tapered steerer standard, the NO.53-1 integrated headset has an 1-1/8in angular contact bearing at the top and an 1-1/4in one at the bottom. Both bearings drop in to the frame , with an alloy top cover to finish things off.


  • 1-1/8in/1-1/4in,45 degrees/ 45 degrees ACB
  • Alloy top cover
  • For 52.2mm OD head tube
  • For 1-1/4in integrated head tube/For 1-1/8in to 1-1/4in tapered fork
  • Campy Angular Contact Bearings (black seal)


  • Stack Height 10.5+1=11.5mm
  • Weight: 86.3g