Think by the look of it the tyre could have burst or popped off the rim if he was using the tubeless system these are running I think about 120psi to hold the tyre onto the rim before you put the tyre pressure into them
He is maybe going to Poland to get his treatment ,some riders get it platted and come back quicker but dangerous if he falls on it again before it’s healed properly
Berwick Track was the slickest I have ever seen it so passing was very minimum and you had to make a start or your stuck whatever position you come out the second bent Bomber not scoring much didn’t help as he is usually good for at least 10-12 points
Nora are like the ACU but cheaper and better many MX clubs have moved over to them over the years pretty sure the top man (Barton I think his name was)used to work for the ACU and set it up when they were ripping off the mx for licences and insurance for meetings