Originally Posted by
wolfchild
You mean carbon frames last longer then steel ??. How exactly did you wear out a steel frame ??..There are many steel frames out there which are 30-40 years old and still very solid.
You wear them out by riding them. My Colnago, which I had for about 10 years, cracked near the bottom bracket. Wasn't worth it to fix it. Metal fatigues over time. Carbon bikes are built much heavier near the bottom bracket so there's less flexing going on.