This is a member to member forum - not 'Ebay'.
If your tyres have not arrived , then one day after the latest estimated delivery date, you can open a case stating you have not received your item.
Look in the email you received when you paid to find the estimated delivery date and use the link below to find how to start an 'item not received' case.
https://www.ebay.co.uk/help/buying/returns-items-not-received-refunds-buyers/returns-items-not-recei...
"There are two ways to be fooled. One is to believe what isn't true; the other is to refuse to believe what is true.”
Søren Kierkegaard, Danish philosopher (1813 - 1855)