Chris King Inset Tapered Headset 1-1/8 to 1.5

For Tapered headtubes, External lower cup can be used with either tapered steerers or with the purchase of a devolution baseplate, can be used with 1 1/8 steerers

InSet™ Low-Stack Sealed Bearing Headset

InSet™ is the classic, unbeatable Chris King sealed bearing headset built into five configurations for contemporary bicycle headtube dimensions. As a low-stack style headset, the press-in cups and bearings are housed within the headtube allowing for an overall lower ride height. InSet compatibility can also conform to forks with tapered steerer tubes.  InSet™ is the unrivaled upgrade for all riding styles.