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ChasnotRobert
@cycleclinic
The not seating thing is the rim in this case Chasnotroberts. There is no ridge next to the well (unless I am mistaken) to stop the tyre unseating.
You have better luck with installation with different rims. There may also be an issue with the bead hook on this rim digging into and splitting tyres at the bead when the rider hits holes. The bead hook is possibly too small
Since the IRC X guard has bead to bead protection it should be less susceptible to pinch tears. The incident rate though is too low to draw any firm conclusions but I have my suspicions.
This tyre will cut less and take longer to wear out than the pro one.