Hello to everybody, I am in Argentina (excuse my English)and I am new in Lotus Seven Club I bought a new 620R (this is the only and first Caterham car in my country) I want to use it only for racing/training The car was supplied with 6" front wheels , 8" rear wheels and ZZR 185/55R13 and ZZR 215/55R13 Avon Tyres Duration of events will be: 20 minutes Ambient conditions: min 10 C° max 26 C° BMTR Avon dealer recommended me X-Ply 7.0/20.0-13 and 8.2/22.0-13 with the ONLY available compound A37
