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spåhonsåÿo
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Discussion Starter #1
I do not know if this has been discussed here before. It's about suitable tire size for a certain rim dimension.

For example: My SLK200K R171 has 7x16 rims and 205/55-16 tires. 7 inch rims are 177.8 mm compared to 205 mm tires. The tire size is 115.3% of the rim size.

Now I have replaced the wheels to 8x17 and 225/45-17 tires. 8 inch is 203.2 mm and 225 mm tires gives 110.7 %.

Original 7.5 inch AMG rims with 225 tires are 118.1 % and 11.5 inch MAE Autodesign rims with 285 tires are 97.6 %.

What's optional tire size factor for each rim size?
How does a low/high % factor affect the road handling?

/Bengt
 
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