Short overview of threadless BB (press fit) standards

Standards of threadless bottom bracket bearings (press-fit BB standards)

Updated: 16/11/2018. This post will give a short overview (list) of threadless (press fit) BB standards. For each BB standard there is an overview intersection of BB cartridge and frame’s BB shell where BB is inserted to, followed by it’s dimensions. Look here for explanation of all the different BB standards. BB30 Shell width: 68 … Read moreShort overview of threadless BB (press fit) standards

Bottom brackets [02] Threadless – press fit BBs

Threadless (press-fit) bottom bracket (BB) standards

Updated: 16/11/2018. For basic terms explanation and history of BBs, as well as threaded BB standards, read this article: Bottom bracket standards – 1st part. BBs with press fit (threadless) cups usually use cranksets with the spindle (axle) attached to the right crank arm. For installing, and especially for replacing, BB cups, special, expensive tools … Read moreBottom brackets [02] Threadless – press fit BBs