Originally Posted by
brooklyn_bike
it could be the crankset spindle interface. when i google (Sugino xd600) it says square taper JIS. you'd need to verify the spindles of your various BBs. sugino's website specifically calls out a "SG Mighty taper" and Ben's Cycle description calls for "113mm bottom bracket square taper for a 47.5mm chainline" hope that helps
Thanks, yeah that helps. I should’ve dug a little deeper (or in better direction) on Google.