Ritchey Headset Comp Cartridge Press Fit 1 1/8 Inch 12.4mm

Technical specifications
Headset part: Top
Headset size: 1 1/8 "
Integration method: Press fit (Semi integrated)
Outside diameter head tube above: 50 mm
Inner diameter head tube above: 44 mm
Fork tube diameter above: 28.6 mm
Outer diameter upper bearing: 41 mm
Inner diameter upper bearing: 30.15 mm
Bearing angle inside upper bearing: 45 °
Bearing angle outside upper bearing: 45 °
Material: CROMO