Re: Common Mountainbike Acronyms & Terms

#73067

What does BB mean? I’m new here and I see it used a lot but no definitions D:

Here’s an example from: viewtopic.php?f=83&t=5240#p27397

"element22" wrote

Your getting all new technology in that unit with a revised BB which is very similar to one which I had reviewed on the Respond crankset.