Bottom brackets [01] Threaded BBs

Threaded bicycle bottom bracket (BB) standards

Updated: 25/11/2018. This post will explain bicycle bottom bracket standards. It is the first in the series of posts on the subject, explaining basic terms, then each standard. Most threaded standards are explained, while a separate post explains press-fit (threadless) bottom brackets. The last post will address BB and crankset compatibility and interchangeability.   1. … Read moreBottom brackets [01] Threaded BBs