Ritchey WCS Headset Cartridge Bearing 41.8 30.5 8mm 45/45 deg 1pc ModelNumber=K1274 AXS technology allows for customization

AXS technology allows for customization to an individual rider’s liking via the AXS Mobile App

Patented 220-degree 4-bolt bar clamp reduces weight

A nearly seamless welding process and a special anodizing treatment boost strength while remaining durable

Model Classic Zeta Size 700c Front/Rear Front/Rear (XDR) Axle/Spacing (mm) 12x100/12x142 Hub Classic Hole 24 Brake 6-Bolt Rim Zeta Alloy TLR Internal W 19

Once you have experienced the speedy sensation of aero optimization you'll never get enough

Ritchey WCS Headset Cartridge Bearing 41.8 30.5 8mm 45/45 deg 1pc ModelNumber=K1274 AXS technology allows for customizationReplacement headset bearings for Ritchey headsets. 45 45 degree angular contact sealed bearing Titanium coated for corrosion resistance Cartridge Bearing Angle 45x45 Bearing I. D. (mm) 30. 5 Bearing Type Cartridge Bearing O. D. (mm) 41. 8 Thickness 8 Size 41. 8 30. 5Mm