Originally Posted by big john

I read a Lennard Zinn article where he tried to answer why some riders broke more parts than others. He concluded certain riders have have such uneven power delivery that they flex things much more than normal, leading to metal fatigue. That could be a factor, but riding desert bikes taught me to lift the front wheel and let the rear slam into things. I do that and the road bike sometimes, oops.

p.s. I'm riding about 15 hours per week, sometimes a little less, road and off road combined. I would do more if I could recover better. Getting old sucks.