They are called tyre "beads" and it sounds like your tyres are fucked. New tyres.
Also you should not be fitting tyres with any sort of levers. Use your hands, otherwise you risk pinch flats. Make sure the tyre is seated properly too and not hooked over the tube.
They are called tyre "beads" and it sounds like your tyres are fucked. New tyres.
Also you should not be fitting tyres with any sort of levers. Use your hands, otherwise you risk pinch flats. Make sure the tyre is seated properly too and not hooked over the tube.