Examine very carefully for sharp edges or bits first.
When putting your tyre on, start with the part near the valve (ensuring that it is straight) go around the wheel pushing the tyre onto the rim.
Put locknut on after the tube is partially inflated.
that should keep it straight and stop it tearing etc. then you can look more carefully at other causes .
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Examine very carefully for sharp edges or bits first.
When putting your tyre on, start with the part near the valve (ensuring that it is straight) go around the wheel pushing the tyre onto the rim.
Put locknut on after the tube is partially inflated.
that should keep it straight and stop it tearing etc. then you can look more carefully at other causes .