How to determine rim size

I am interested in purchasing a used rim so that I can carry a full-sized
spare tire (as opposed to one of those annoying mini-spares that will get
you home but you can’t really drive on if you’re out on the road).

(Yes, I know that once you put on the spare you should get the flat tire
replaced so that you won’t be without a spare. This is not really the
point.)

What I want to know is this: How do I know what rim size I need? Does it go
by the tire size? My tire size is 155SR13.

Thanks in advance!

| Andrew Laurence                           Oakland, California USA |
| laure…@netcom.com                 Pacific Daylight Time (GMT-7) |
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5 Responses to “How to determine rim size”

  1. admin says:

    In article <laurenceCuA9vA….@netcom.com> laure…@netcom.com (Andrew Laurence) writes:
    >From: laure…@netcom.com (Andrew Laurence)
    >Subject: How to determine rim size
    >Date: Tue, 9 Aug 1994 19:52:22 GMT
    >I am interested in purchasing a used rim so that I can carry a full-sized
    >spare tire (as opposed to one of those annoying mini-spares that will get
    >you home but you can’t really drive on if you’re out on the road).
    >What I want to know is this: How do I know what rim size I need? Does it go
    >by the tire size? My tire size is 155SR13.

    Actually, the tire size is determined by the wheel size.  You need to know
    three things: the wheel diameter, width, and the offset.  The diameter is
    13 inches based on your R13 tire. You can measure the width with a tire
    removed or with a partially deflated tire.  Then you can measure the offset by
    placing  the  wheel  with  the partially deflated tire flat on the ground
    (i.e. outer sidewall toward the ground).  Take a straightedge and lay it
    horizontally across the wheel rim.  Next take a tape measure and run it down
    to the mounting hole plate.  Note the distance between the straightedge and
    the plate.

    Or you can visit an auto wheel/tire shop and ask them for the dimensions of a
    replacement wheel for your particular make/model.  They’ll look it up in
    their wheel catalog.  If you buy a full size replacement tire from them, I’m
    sure they would be happy to provide this information.

    Regards,
    Eric Webb

  2. admin says:

    In article <laurenceCuA9vA….@netcom.com>, laure…@netcom.com (Andrew Laurence) writes:

    |> I am interested in purchasing a used rim so that I can carry a full-sized
    |> spare tire (as opposed to one of those annoying mini-spares that will get
    |> you home but you can’t really drive on if you’re out on the road).
    [snip]
    |> What I want to know is this: How do I know what rim size I need? Does it go
    |> by the tire size? My tire size is 155SR13.

    Best suggestion, is go to a wrecker.
    I like to put my winter tires on a seperate set of rims.

    Most wreckers will be able to tell you if they have rims
    that will fit your car.

    Find out the price for a new part.  Most dealers will
    tell you over the phone (given make and model of the car).

    Also, look in the yellow pages for used tires.  These
    folk make it their buiseness to know.

    Later,

    Dwayne Clipperton.
    cli…@bnr.ca

    Disclaimer: due to the possibility that my opinions may get
    me into trouble and BNR doesn’t want trouble, then BNR won’t
    claim responsibility for my opinions unless they want trouble.

  3. admin says:

    If aiming to buy a spare wheel for a particular car it is best to get a
    wheel intended for that model. For temporary use only as a full size
    spare, get a cheap used steel wheel from a scrapyard (car dismantler’s) –
    in the UK they cost from #2.00 (US$3.00) for a scabby wheel with no tyre
    for a small car, to #15.00 (US$22.00) for a bigger wheel which looks nice
    and has a fairly new tyre on it.

    Dave

    David Crooke, Department of Computer Science, University of Edinburgh
    Janet d…@ed.dcs  :  Internet d…@dcs.ed.ac.uk  :  IP talk d…@129.215.160.2
    Work: JCMB Rm 1408, King’s Bldgs, W Mains Rd., Edinburgh EH9 3JZ. 031 650 5164
    Home: 12 (GFR) West Savile Tr, Edinburgh, SCOTLAND EH9 3DZ. 031 667 4854

  4. admin says:

    Andrew Laurence (laure…@netcom.com) wrote:

    : I am interested in purchasing a used rim so that I can carry a full-sized
    : spare tire (as opposed to one of those annoying mini-spares that will get
    : you home but you can’t really drive on if you’re out on the road).

    : (Yes, I know that once you put on the spare you should get the flat tire
    : replaced so that you won’t be without a spare. This is not really the point.)

    : What I want to know is this: How do I know what rim size I need? Does it go
    : by the tire size? My tire size is 155SR13.

    I run 155SR13 tires in winter on 4.5" wide wheels.  I believe that is typical.


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             Bill Clinton: The Worst foreign policy in the last 50 years!

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  5. admin says:

    In article <EWZ.279.00119…@NCCIBM1.RTPNC.EPA.GOV> E…@NCCIBM1.RTPNC.EPA.GOV (Eric M. Webb) writes:

    - Hide quoted text — Show quoted text -

    >In article <laurenceCuA9vA….@netcom.com> laure…@netcom.com (Andrew Laurence) writes:
    >>From: laure…@netcom.com (Andrew Laurence)
    >>Subject: How to determine rim size
    >>Date: Tue, 9 Aug 1994 19:52:22 GMT

    >>I am interested in purchasing a used rim so that I can carry a full-sized
    >>spare tire (as opposed to one of those annoying mini-spares that will get
    >>you home but you can’t really drive on if you’re out on the road).

    >>What I want to know is this: How do I know what rim size I need? Does it go
    >>by the tire size? My tire size is 155SR13.

    >Actually, the tire size is determined by the wheel size.  You need to know
    >three things: the wheel diameter, width, and the offset.  The diameter is
    >13 inches based on your R13 tire. You can measure the width with a tire
    >removed or with a partially deflated tire.  Then you can measure the offset by
    >placing  the  wheel  with  the partially deflated tire flat on the ground
    >(i.e. outer sidewall toward the ground).  Take a straightedge and lay it
    >horizontally across the wheel rim.  Next take a tape measure and run it down
    >to the mounting hole plate.  Note the distance between the straightedge and
    >the plate.

    >Or you can visit an auto wheel/tire shop and ask them for the dimensions of a
    >replacement wheel for your particular make/model.  They’ll look it up in
    >their wheel catalog.  If you buy a full size replacement tire from them, I’m
    >sure they would be happy to provide this information.

    Or you could just buy a 13 x 4.5J or 13 x 5 J rim.

    >Regards,
    >Eric Webb


    Kershner Wyatt                           (803) 939-7787, VP 633-7787
    AT&T Global Information Solutions    Fax: (803) 939-7745
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