Ritchey WCS Drop In Integrated Lower Headset Assembly IS42/30 CheckoutSpec= 11.4118.054.375 stroke-specific bottom-out bumper accommodates the

stroke-specific bottom-out bumper accommodates the range of stroke lengths

Hybrid AL6061/Nylon fiber cups for a superior fit and noise-free operation

Model Ratchet Description Ring Nut

1 kit required per eyelet (2 kits required per rear shock) Bolt Mount Diameter 8 Frame Mount Width 19

This consistent rubber performance across a spectrum of temperatures provides lower rolling Resistance and improved grip

Ritchey WCS Drop In Integrated Lower Headset Assembly IS42/30 CheckoutSpec= 11.4118.054.375 stroke-specific bottom-out bumper accommodates theDrop in lower assmbly with crown race. 45 45 degree angular contact bearing Titanium coated for corrosion resistance Bearing Type Cartridge Color Gold Crown Race 30 S. H. I. S Lower IS42