Tyre sizes?

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trotter
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Tyre sizes?

Post by trotter » Wed Oct 01, 2008 8:55 pm

ok i'm at a loss how do companies work out tyre sizes? i want some 31" or 32" rubber to go on my new wheels but on tyres monkey site all the insa range are listed as 195 or 215 or 235 etc is there a easy way to work this out to compare it etc

cheers

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ScottieJ
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Re: sizes?

Post by ScottieJ » Thu Oct 02, 2008 11:11 am

Here's a little tyre chart boyo, stolen but added to ;)

Common tyre sizes for 15" wheels

205/70/R15 (26"x 8.1") min rim 5 inch 'optimum' rim 5.5 inch maximum rim width 7 inch
195/80/R15 (27"x 7.68" min rim 5 inch 'optimum' rim 5.5 inch maximum rim width 7 inch
205/75R15 (27.1"x 8.1")min rim 5 inch 'optimum' rim 5.5 inch maximum rim width 7 inch
215/75 R15 (28" x 8.5") min rim 5 inch 'optimum' rim 5.5 inch maximum rim width 7 inch
225/75R15 (28.3"x 8.9") min rim 6 inch optimum rim 6.0 inch maximum rim width 7.5 inch
235/75R15 (28.9"x 9.3")min rim 6 inch optimum rim 6.5 inch maximum rim width 8 inch
245/75r15 (29"x9.65")
265/75R15 (30.6"x 10.4")min rim 7 inch optimum rim 7.5 inch maximum rim width 8.5 inch

31x10.50R15 min rim 7 inch optimum rim 8.5 inch maximum rim width 9 inch
33x11.50R15 min rim 8 inch optimum rim 9.0 inch maximum rim width 10 inch
33 & 35x 12.50R15 min rim 8.5 inch optimum rim 10 inch maximum rim width 11 inch

Common tyre sizes for 16" wheels
245/75r16 (30"x9.65")
275/70r16 (31"x10.83")
235/85r16 (32"x9.25")
265/75r16 (32"x10.43")
255/85r16 (33"x10.04")
285/75r16 (33"x11.2")
305/70r16 (33"x12.01")
315/75r16 (35"x12.4")


Should give a rough idea! if not here's a link to a tyre size calculator http://www.onlineconversion.com/tire_si ... ersion.htm

and a new one
http://tire-size-conversion.com/tire-size-calculator/

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Re: sizes?

Post by urbanzook » Thu Oct 02, 2008 4:21 pm

check this out duz it all for ya. easy
DML TIRE AND WHEEL CALCULATOR
http://www.dakota-truck.net/TIRECALC/tirecalc.html
DONT FOLLOW ME YOU WONT MAKE IT !!!
SEE WOT I GET UP TO CLICK ME!!!!

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trotter
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Re: sizes?

Post by trotter » Thu Oct 02, 2008 9:40 pm

nice one guys cheers
if in doubt, FLAT OUT!

mans tool kit > duct tape, wd40 and a bfh is all you ever need

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Cyprus Geoff
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Re: Tyre sizes?

Post by Cyprus Geoff » Wed Apr 11, 2012 8:56 pm

That looks familiar Scottie ;) ;)

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Re: Tyre sizes?

Post by Plunkett » Mon Oct 14, 2013 6:24 pm

Hi there Guys, new on here but was hoping someone could help me...looking to buy some new wheels for my vitara jlx....i quiet like a look of a pair on ebay( http://www.ebay.co.uk/itm/Suzuki-Grand- ... 2c7458b91e ) was wondering would they fit my normal Vitara with them being grand vitara wheels and also would they be to big as my vitara is standard with no modifications. thanks guys x

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Re: Tyre sizes?

Post by ROBBIE » Mon Oct 14, 2013 10:35 pm

I would say too big for a standard vit
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ScottieJ
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Re: Tyre sizes?

Post by ScottieJ » Mon Oct 14, 2013 10:40 pm

I'm pretty sure 235/75r15 are a squeeze on a standard vit and those work out around 1" bigger.
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Re: Tyre sizes?

Post by Rodden87 » Tue Oct 29, 2013 10:37 pm

Had 235/75/15 on a standard for few weeks, insa turbo Sahara. They rubbed like fooooook don't do it. Mine rubbed against chassis leg on lock and got little to no flex on the back and with front anti roll bar removed they rubbed over every bump under steering!
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Re: Tyre sizes?

Post by kiwizook » Wed Apr 23, 2014 8:15 am

I've got 600/16 tyres on my wagon at the mo,ment, this was the original size it had. what's the metric equivalant of this?
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