You would think that they are pretty decent, as miche cranks are good, and any miche parts I have had have been top notch - but just search the forum. Theres a few dedicated threads where people have moaned about how crap the bottom brackets are.
In terms of a good bottom bracket I have little experience of such high-end components, ive ridden & maintain many simple cheap Tange/sugino/SR BB's and extremely crude raleigh ones too. Had decent results with all and little troubles with any.
You would think that they are pretty decent, as miche cranks are good, and any miche parts I have had have been top notch - but just search the forum. Theres a few dedicated threads where people have moaned about how crap the bottom brackets are.
In terms of a good bottom bracket I have little experience of such high-end components, ive ridden & maintain many simple cheap Tange/sugino/SR BB's and extremely crude raleigh ones too. Had decent results with all and little troubles with any.