Chris King ThreadFit T47 24i Ceramic Bearing Bottom Bracket

Why 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 spindles.

All our bottom brackets come with King’s legendary, angular-contact bearings, either steel or ceramic. These are the best bearings in the industry, and actually get faster over time, as their contact surfaces wear.

You want this bottom bracket because it offers super low drag. You want this bottom bracket, because it can be opened, cleaned and repacked for years of faithful service. You want this bottom bracket, because you don’t want to think an awful lot about your bottom bracket.

A Fit Kit is required for use

Your Fit Kit extends the useful life of both your bottom bracket and your cranks, it reduces the potential for noise, and it also allows you to use one bottom bracket with a wide array of cranks, if that’s your jam.

Fit Kit #4 (PBB084) for cranksets with 24mm spindles.

Fit Kit #6 (PBB086) for SRAM GXP cranks.

• For use with ThreadFit™ 24, ThreadFit™ T47 24i, ThreadFit™ T47 24x
• 68mm, 73mm, 73mm SB+, 86.5mm, 92mm, and 92mm SB+ BB shells.

Small Parts Kit (PBB010) for 68mm shells with 24mm spindle MTB cranks.

• 1mm spindle spacers x8
• 0.35mm spindle spacers x3
• 2.5mm cup spacers x2