Chris King ThreadFit T47 24i Bottom BracketWhy We Make It We build bearings, so we build bottom brackets. T47 is a standard we helped develop, an answer to the imprecise and often loud press fit bottom brackets that appeared on the market a few years ago. T47 offers the benefits of larger bottom bracket shells, mainly frame stiffness, with the upsides of traditional, threaded bottom brackets, precision and quietness. Why You Want It ThreadFit T47 24i fits 86mm and 92mm shell widths with 24mm