I have just bought some BK299 7x17 with 215/40/17 tyres for my classic. They do not stick out as much in the wheel arch as my previous Team Dynamics Diablo's, which were 7.5x17. I wish to use wheel spacers and am enquiring as to some advice. I will need some sort of wheel nut extention. Does anyone know the offset with comparison to the Diablo's? Cheers