Originally Posted by
smd4
This isn't a crack at a weld or a severed chainstay. It wasn't caused by stress from being ridden. It was caused by the headset cup. Will it get bigger? Maybe.
It was almost certainly caused by the cyclic stress of riding over rough roads. Textbook fatigue cracking.
Last edited by terrymorse; 09-04-22 at 01:47 PM.