Ok, so it’s a 4.5cm long crack. If an aluminum bycicle frame cracks like that, it is useful to drill holes at the end of the cracks, to stop the cracks from pr

Ok, so it’s a 4.5cm long crack. If an aluminum bycicle frame cracks like that, it is useful to drill holes at the end of the cracks, to stop the cracks from progressing.