May 22 2013, 10:46 AM
QUOTE(OC4/3 @ May 22 2013, 10:38 AM)
OK some simple maths time:
50 or 55 is the profile of tyre which denote the sidewall height
Example:
195/50/15=195 * .5(50% of 195mm for sidewall height)=97.5mm
195/55/15=195*.55=107.25mm
205/45/16=205*.45=92.25mm
And in general, the higher/thicker the sidewall, the more comfortable it usually is (it's like your sitting in chair a thin cushion vs one on thicker cushion). 50 or 55 is the profile of tyre which denote the sidewall height
Example:
195/50/15=195 * .5(50% of 195mm for sidewall height)=97.5mm
195/55/15=195*.55=107.25mm
205/45/16=205*.45=92.25mm
For your case, the best is to downgrade to 195/55/R15 as it will give you the most comfort and still retain about the same overall diameter as your current 205/45/R16.
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