Cane Creek 40-Series Integrated Headset for Tapered Forks Drop-in design means all you need to do to install is press the crown race and tighten down the stem cap with a hex wrench Black oxide bearings are corrosion resistant and long wearing Angular contact bearing design resists axial and radial loads for a longer road life and easier servicing Split Lip Seal helps keep foreign contaminants out Clip-Seal in the upper assembly holds everything together (even the compression ring)