Bottom Brackets

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The bottom bracket ensures that your crank rotates smoothly in the frame. In the narrower sense, there are no specific mountain bike bottom brackets, road bike bottom brackets or gravel bottom brackets; however, different manufacturers each set their own priorities with regard to dimensions or use, e.g. with smooth-running or dirt sealing properties. Shimano, SRAM or FSA, for example, offer bottom brackets that encompass a wide range of different uses, sizes and dimensions. Ceramic Speed, Campagnolo or Rotor are more specialised in road bike and gravel bike bottom brackets, while brands such as Hope, Race Face or Reset Racing are particularly popular for (e-)mountain bikes. Our brand filter can help you find exactly what you're looking for. In any case, it’s important that you find the right bicycle bottom bracket for your frame, as there are big differences between many of them. Read further and discover more.

BSA, Press Fit, DUB: Which bottom bracket do you need exactly?

Once you have determined how you’ll use it, you need three pieces of information to find the bottom bracket for your bike:

  • Assembly Dimensions
  • Shell Width (also: over locknut dimension)
  • Crank Axle Type

We have practical filters for all three parameters to make your search easier. We have written a detailed blog post on how to find out exactly which measurements you need. There you will not only learn everything about standards and compatibilities, but also get important tips on bottom bracket installation.


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