It's important to keep to the cars original tyre circumference, what we do is fit larger alloy wheels and a smaller profile tyre to compensate, otherwise gearing, speedo, engine management could be affected, this tool can be used to ensure this. Can also be used to find cheaper alternative sized tyres, therefore saving you money.
17" AEZ Enzo H Silver
15" Calibre Rapide Silver
16" ZCW Force Shadow Silver
18" Calibre Vintage Black Black Rim