Your fancy new carbon frame has a massive headtube to quell chatter so you better make sure you installed a Chris King Inset 7 Headset to ensure your steering is as smooth as your freshly-shaved legs. Designed to provide seamless integration between your stem, headtube and fork, the Inset 7 isn't just an addition to any high-end machineAAAit's an upgrade.Low-stack height minimizes weight and provides a clean look Completely serviceable angular contact bearings means the Inset 7 will outlive your next three carbon frames Stainless steel sealed bearings keep grime and dirt out, while providing buttery-smooth operation Upper cup:44mm InSet; Lower cup:44mm External Compatible with tapered 1-1/8in to 1.5 inch steerer tubesProduct FeaturesMaterial: (baseplate) stainless steel, (bearings) stainless steel, (cups) aluminumWeight: 150 gRecommended Use: steering oversized headtubesManufacturer Warranty: 10 years