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Built on the familiar BSA threading, the ThreadFit™ 30 is reliable. A silky smooth, long-lasting bottom bracket built around Chris King's angular contact bearings that wear in instead of out. The ThreadFit™30 is made for 30mm spindles.
Fully serviceable and backed by Chris King's 5-year built-to-last warranty this bottom bracket will outlast your bike. Built to ultra-tight aerospace tolerances we use machined Delrin spindle sleeves to create a perfect, and precise, fit between cranks and frame, providing ultra-low drag, and a butter-smooth feel.
Our ThreadFit™30 is ready for a wide selection of cranks.