Author Topic: Broken crank  (Read 981 times)

Proudly hairy-legged

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Re: Broken crank
« on: November 10, 2009, 12:12:15 pm »
I've broken a couple but only on mountain bikes, never the roadie. The black mark on the inside of the crank indicates that's where the crack started, although I'm not an engineer so will now bow out of postulating on the cause of this.