Bottom Brackets

Built on the familiar BSA threading, the ThreadFit™ 30 is reliable. A silky smooth, long-lasting bottom bracket built around our angular contact bearings that wear in instead of out. The ThreadFit™30 is made for 30mm spindles. Fully serviceable and backed by our 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 our ThreadFit™30 is ready for a wide selection of cranks. The Fit Kit for our ThreadFit™ 30 with 30mm spindle cranks is available here. The Fit Kit for DUB cranks is available here. • Engineered, manufactured and assembled in Portland, Oregon USA • King Lifetime Warranty • Legendary made-in-house bearings • Available in 10 beautifully anodized colors • A Fit Kit is required for use and included in the purchase price • Ceramic bearing upgrade available • Uses Chris King bottom bracket cup tool for installation

No Longer in Production Each Press Fit 30 bottom bracket includes our exclusive fully serviceable made-in-house bearings that integrate with our easy-to-use grease injection system to create a bottom bracket with unparalleled performance and durability. Our Press Fit 30 bottom bracket is machined to aerospace-level tolerances to ensure that your bike has the precision fit that you have come to expect from Chris King’s legendary components. • Engineered, manufactured and assembled in Portland, Oregon USA • 5-year built-to-last warranty • Legendary made-in-house bearings • Responsibly lightweight • Easily serviceable with our integrated grease injection tool • Designed for BB shells with a 46mm ID (Inner Diameter) measurement • Find your fit with our required conversion kits