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Chris King ThreadFit 30 Bottom Bracket fits 30mm spindle cranks in 68mm BB shells and SRAM DUB cranks.
ThreadFit 30 bottom brackets are silky smooth and long-lasting thanks to Chris King's legendary, angular-contact bearings, both steel and ceramic, the best in the industry. They actually get faster over time as their contact surfaces wear, because they are built to ultra-tight aerospace tolerances, using machined, Delrin-spindle sleeves to create a perfect, and precise fit between cranks and frame. That's where the low drag and butter smooth feel come from.
- Engineered, manufactured and assembled in Portland, Oregon USA
- King Lifetime Warranty
- Legendary made-in-house bearings
- Chris King 30mm spindle Fit Kit is required for use
B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.
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A guide to bottom bracket standards.