Built on the familiar BSA threading, the ThreadFit 30 is reliable. A silky smooth, long-lasting bottom bracket built around Chris King’sangular contact bearings that wear in instead of out. The ThreadFit30 is made for 30mm spindles.

Fully serviceable and backed byChris 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 ThreadFit30 is ready for a wide selection of cranks.

• Engineered, manufactured and assembled in Portland, Oregon USA
• King Lifetime Warranty
• Legendary made-in-house bearings
• Available in 9 beautifully anodized colors
• A Fit Kit is required for use and includedinthe purchase price
• Uses Chris King bottom bracket cup tool for installation