-sometime its due to tyre intsallation. wrong sizes of tyre width on a wider rims.
- under inflated tyres.
- choosing the wrong load index of the tyres on ur car.
- DO you guys know how the imported tyres being stack in the containner???? you'll be the unluckiest customer if you got the lowest tyres stacked.That is one of the reasons , why a sidewall will fail.Yes ..even its still on the shelves.
potholes are not the main culprit of failed tyres sidewall.
On the sidewall of each tyres are some maintenance tips....pls read it. Check ur tyres once a week...at least.