^ this, most especially the sidewall flexing, 'orrible feeling.
with the combination of wide rims and narrow tyres, it created a U shape rather than the traditional bulb shape, as it has been mentioned in this topic.
picture illustrated it perfectly;
unfortunately, if you hit a pothole you didn't notice at speed, this will happen despite tyres still remain inflated;
^ this, most especially the sidewall flexing, 'orrible feeling.
with the combination of wide rims and narrow tyres, it created a U shape rather than the traditional bulb shape, as it has been mentioned in this topic.
picture illustrated it perfectly;
unfortunately, if you hit a pothole you didn't notice at speed, this will happen despite tyres still remain inflated;