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      06-02-2010, 12:39 AM   #12
Biimmer
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Drives: 11' e90 m3
Join Date: Jun 2010
Location: Phoenix, AZ

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Quote:
Originally Posted by Orient330iNYC View Post
275/30/19

275 is the width
30 is the aspect ratio, ratio of sidewall height to width.

so the sidewall height is 275 *0.30=82.5mm
235/35/19
235*0.35= 82.25mm

sidewall height almost exactly the same
Thanks, I completely understand now

Hey, I guess you learn something new everyday!