Guys et gals,
Yep you are right!! When I put on 205 40 R17"s on the CUP, I miscalculated and knackered the gearing!!!
Sooooo, I need a 194 40 R17 for the CUP to keep the gearing the same. Someone on here must have gone up to that size to keep the gearing the same. My local tyre man says all 17"s start at 205. So I am either F*****d or someone has a solution for me.
Any ideas and/or contact numbers???
172CUP