Road bike bottom bracket standards explained

We run through the exciting world of bottom bracket standards, so you'll know your PF30 from your BB386Evo

(Image credit: chris catchpole)

For a seemingly simple component the bottom bracket can prove to be rather tricky. 

Its job is to attach the crankset to the frame, allowing you to pedal. When all is well, and the bearings are running smoothly, it is easy to forget. However, like any bicycle part that uses bearings, it will eventually need replacing. And that’s when the fun starts.

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