Originally Posted by HillRider

Given sufficiently precise measuring tools I suppose you can determine out-of-round and out-of-parallel dimensions that you can claim are excessive. Hambini has the financial incentive (he sells custom bottom brackets) to make that claim. However expensive, or even fairly low priced, bicycles frequently failing does not seem to be a major problem and most owners never have a problem despite these claimed poor tolerances. He seems to have a solution in search of a real problem.

​​​​​​If you expect NASA level tolerances I guess you have to expect to pay NASA level prices.