Even new bikes with high-end drivetrains can, and usually do, ship with bottom brackets using subpar bearings and plastic cups.

Even if perfectly maintained, those steel bearings just won’t roll as efficiently as our high quality ceramic bearings.

Kogel Ceramic Bearings are:

Beyond the basics of keeping your bottom bracket clean and maintained, perhaps the most important step is ensure your bike's best performance is using a bottom bracket manufactured with high-quality ceramic bearings.