But that wasn't my point. Do Cannondale sell anything but Al and C? I don't think they do, so mentioning other materials was pointless.warthog1 wrote:Nobody wrote: bike's lifetime with Al or C have a lot to do with fatigue due to number of stress cycles .
I don't think you can narrow it down to any frame material.
I'd be surprised if I didn't get 20 years out of my steel frameset.