PLEASE get rid of those grooves.
Besides if you sometimes see the tyres that they come in with in the pits, you can barelly see the grooves left, normally according the rules there should be a certain depth left but for some reason they don't care about it
Besides if you sometimes see the tyres that they come in with in the pits, you can barelly see the grooves left, normally according the rules there should be a certain depth left but for some reason they don't care about it