i f**ked a set in a day, i was very unimpressed with them, poor quality bearings(rough as guts) and they didnt seem to 'feel' right either-flexy, didnt seem straight and the anodising wears off in nano seconds, and yes i did buy them new now awaiting racefaces response im really happy with my new saints, and i havent heard of any snapping yet-im sure some have though cos they are specced on some crazy ass freeriders bikes, but overall i would say they are the best mtb cranks out mk3s arent as strong apparently, mk2s were the best, i still have a set awaiting another trials bike ever thought about trying primo powerbites? they are pretty kickass and come in mtb bb i loved them on my old bmx, and from what ive heard they last fecking long