Ritchey WCS Headset Cartridge Bearing 41.8 30.5 8mm 45/45 deg 1pc ModelNumber=K1274 Lighter and stronger than traditional

Lighter and stronger than traditional liners

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

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

3 features integrated threads for full compatibility with the Park Tool BBT-RS Bottom Bracket Tool Retaining System (sold separately)

Ritchey WCS Headset Cartridge Bearing 41.8 30.5 8mm 45/45 deg 1pc ModelNumber=K1274 Lighter and stronger than traditionalReplacement 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