A lot of people go for 13" with a 70 profiles i.e (185/70-13. The Yokohama A021-R is the control tyre for BriSCA Formula 2, Group A, Stock Rod and Lightning Rod Formula's and is probably one of the best value all round tyres for a 7 you will find. The supllier of choice is often George Polly Motorsport A021 but have search on here, there is a lot of info & opinion which you will find helpful.... and perhaps a little confusing. Don't be put off asking
Edited by - Jerry on 1 Aug 2013 20:25:05