Originally Posted by Redbullet

I saw many opinions saying that a road carbon fiber bike should be changed after 6,7,10 years, to avoid risk of carbon failure. However, talking about the large pool of riders of carbon bikes from reputable brands, outside of professionals or hard racing world, I wonder:

How many road riders from above category experienced carbon fiber failure from normal riding (no hard crash or misuse), and how long (years or km) did it take for such failure to occur?