Chris King® THREADFIT™ 30 Bottom Bracket (ceramic) brake caliper self-sealing bottle cap with a

self-sealing bottle cap with a high water flow valve and optional dirt cover

able to strap high profile rim

Medium firm

Full Aluminum CNC

Chris King® THREADFIT™ 30 Bottom Bracket (ceramic) brake caliper self-sealing bottle cap with aThreadFit 30 fits 30mm and DUB spindle cranks in BSA bottom bracket shells. Our ThreadFit 30 bottom bracket is silky smooth and long lasting thanks to our 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 we build them to ultra tight aerospace tolerances, using machined, Delrin spindle sleeves to create a perfect and precise fit between