This 1-1/8 Drop-In, Internal Headset features 52100 High-Carbon Chromium alloy races paired with grade 10 Balls with 90% fill, high-pressure, water-proof grease. This primary application for this bearing size is as a direct replacement on some Pinarello bikes.

6806 OSID 

  • Features 52100 High-Carbon Chromium alloy races
  • Paired with grade 10 Balls
  • Fill with high pressure waterproof grease
  • Static load: 854lbf / 3.8kN
  • Weight: 24.7g