Originally Posted by
4.11
I have a 10 year old Cannondale aluminum frame and after doing duty as the general family cruiser it is now doing duty as a single speed mountain bike. So far no cracks, and I am not worried there will ever be any.
How many miles on that frame? How hard do you ride? Do you ride standing and really push on that frame? There's a guy at work who has broken several frames, both aluminum and carbon fiber. Probably puts on 8-10k miles a year all on road.