Tapered steerer (or 1 ⅛" steerer with devolution baseplate) reducer flush fitting top headset, with external lower cup for use in one point five headtubes. 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.
Upper cup: 1.5 InSet
Lower cup: 1.5 external
Steerer tube: straight 1-⅛" or tapered 1-⅛" to 1.5"*
*straight or tapered steerer tube compatibility can be changed by swapping baseplates
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