Very good. Rim is a measurement Width is a measurement Aspect Ratio is just a percentage of the width.
I missed the beginning of this thread, how did this all start? Just refer to your manual and buy what the car came with. Unless you're changing rim sizes, or messing with other things, just stick to stock, it's a good compromise. Ed 300E 2008/12/4 ernest breakfield <[EMAIL PROTECTED]> > maybe this explanation will help you grasp the concept: it's pretty clearly > laid out here: > http://www.tirerack.com/tires/tiretech/techpage.jsp?techid=7&; > > you need to get the idea that the '65' is a measurement out of your head; > it's a *ratio*, not a fixed measurement. > per the Tire Rack site: > "The second number is the aspect ratio. This is a ratio of sidewall height > to width." > > in the old days when we were upsizing tires, the old rule-'o-thumb was > that for approximately every 2 sizes up you'd go in width, you'd have to > come *down* one size in Aspect Ratio to maintain a rollout that was the same > as what you started with. > > 'zat help? ;-) > > > cheers! > e > > > Wonko the Sane wrote: > >> Your explanation seemed illogical so I looked for a second opinion. Seems >> the jury is still out. >> >> I am having a difficult time convincing myself that a 65 isn't a 65, no >> matter how wide the tire is. Just because the tire is wider, it shouldn't >> necessarily be taller. >> >> [I sense the start of a new "oil" thread.] >> >> On Thu, Dec 4, 2008 at 8:45 PM, OK Don <[EMAIL PROTECTED]> wrote: >> >> >> >>> I told you about this the last time we discussed tire size - pay >>> attention this time. >>> >>> On Thu, Dec 4, 2008 at 6:35 PM, Wonko the Sane <[EMAIL PROTECTED]> >>> wrote: >>> >>> >>>> I will just buy 195s next time. :-) >>>> >>>> On Thu, Dec 4, 2008 at 6:25 PM, Wilton Strickland <[EMAIL PROTECTED]> >>>> >>>> >>> wrote: >>> >>> >>>> "Tall/height" meaning distance from rim to tread expressed as percentage >>>>> >>>>> >>>> of >>> >>> >>>> width. Tire dia = rim dia plus 2 X tire height. >>>>> >>>>> >>>>> >>>> -- >>> OK Don, KD5NRO >>> >> > _______________________________________ > http://www.okiebenz.com > For new and used parts go to www.okiebenz.com > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
