Originally Posted by
cyccommute
I guess that’s to be expected from someone who gets wigged out about a nanometer.
Originally Posted by
tyrion
There are various kinds of BB misalignments and Hambini talks about their various friction costs. I'm not an engineer so I don't know how credible he is, but to me he sounds like he knows what he's talking about. I get the impression that he's getting these friction costs from some standardized engineering tables or formulas.
He is also not wrong that there are a lot of crappy bearings being sold as “bicycle bearings”. Which isn’t to say that one needs bearings that meet high speed industrial tolerances.