If you have a frameset with a headtube that requires a Press Fit, Zero Stack style lower headset assembly you can choose an excellent Ritchey WCS-level option. This S.H.I.S. ZS44/30 lower fitment model is for 1⅛" fork steerers and includes a high quality stainless steel angular contact cartridge bearing with a ti treatment to fight corrosion. The crown race for the fork is included.