(1) it use a bmx hub or standard 135mm mtb hub?
(2) i want to use http://www.profileracing.com/products_home.php?productid=1 this BB, i've never installed or used a BB like that, do they in good match?
(2) i want to use http://www.profileracing.com/products_home.php?productid=1 this BB, i've never installed or used a BB like that, do they in good match?