1303 germanlook wheels size?
 

hi, im currently running 17x7 55et 225x45 at the rear with spacer and stock fenders, i want to go a little bit bigger just for the look, would this setup will fit with stock fenders 17x7.5 55et 235x45 tires?thanks

You are adding a half-inch in wheel width with the same offset. Roughly speaking (in mm), you will have 6.4mm less of inner clearance while the outer edge of the rim will extend an extra 6.4mm. The 10mm extra width of the tire will be distributed similarly.

So, the question back to you is: Can you afford that much extra in both directions? If not, can you tweak the size or the elimination of the spacer to make it work?

One more thing, the "45" of both tires is the aspect ratio. Since the desired tires are 10mm wider, they will be 45% greater from rim to tread -- on both sides of the rim.

So, can your fenders handle 9mm extra in height?

google tire size calculator put in your current size and the size you want to go to... then go out and measure... keep in mind tho half of that measurement is going on each side and top and bottom... if that make sense