Re: Tyre diameter
Von: Squat (squat@yeahright.com) [Profil]
Datum: 04.10.2007 22:01
Message-ID: <470546a1$0$16542$4c368faf@roadrunner.com>
Newsgroup: alt.autos.bmw
Datum: 04.10.2007 22:01
Message-ID: <470546a1$0$16542$4c368faf@roadrunner.com>
Newsgroup: alt.autos.bmw
> > 205, 225, 235, 255, etc. all refer to the cross sectional WIDTH of the > tire. This width is defined by the number, so the TREAD WIDTH is a direct > corelation tyo this number. A tire with a 205 cross section has a tread > width that is narrower than a 225, without any6 regard to the other > numbers that will be present. Larger numbers will result in a wider tire, > if the aspect ratio remains the same, then the sidewall will also be > taller. > > 35, 40, 45, 55, 70, etc., all refer to the Aspect Ratio. The Aspect Ratio > is the height of the sidewall as a percentage of the cross sectiional > width. A 205/50 has a sidewall height of 102 mm, a 225/50 will have a > sidewall height of 113 mm. A 265/75 (a common light truck or SUV size) is > 265 mm wide with a sidewall that is 75% (just under 199 mm) of that. A > 255/35 will have a tread width of 255 mm and a sidewall height of 89 mm. Ah yes, now I remember. I had forgotten how that worked. Thanks Memory is one of the first things to go with age.. I forgot the others... Cheers, Squat.[ Auf dieses Posting antworten ]
