My 2014 Specialized AWOL came with an FSA Omega MegaExo 19 triple crank and an FSA BB-4000 bottom bracket. I bought the bike in October and in March I started thinking about doing some post-winter maintenance. One of the things that I wanted to do was remove and examine the bottom bracket. Since I was not familiar with outboard bearing bottom brackets, I did some research about the BB-4000 bottom bracket, and here is what I found out.
