Originally Posted by
ChiapasFixed
a tip: sand the hell out of the bb sleeve, maybe even make 2-3mm grooves all along the outside. the epoxy does not bond well to smooth metal, neither does the polyU
I put it on the grinder first, put a series of groves across it. I noticed on the Discovery show that Calfee is using a bottom bracket shell that has been threaded on the outside. I may do something similar with the metal parts of my next frame.