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  1. #1
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    Wheel and tyre sizes

    First post!

    Hey up everyone i used to be Dazzle on the old site! just a quikie what would be the overall diameter of a 19" wheel with a 30 profile tyre? is there a site that calculates this or if anyone knows i'd be gratefull! There not for my 5 btw

  2. #2
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    Re: Wheel and tyre sizes

    New poster! (less than 10 posts)

    i've measured the 16s that are on and they are bigger than 16" + 50mm if you get what i mean so just want to know what these will be? Thanks

  3. #3
    Non-member OUTLAW's Avatar
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    Re: Wheel and tyre sizes

    will sort it for you in the morning mate

  4. #4
    Non-member OUTLAW's Avatar
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    Re: Wheel and tyre sizes

    morning all, there is a half inch, maybe an inch, tyre flange, this is why your measurments are out. the tyre sits on this. you need to measure from inside the flange (spoke to spoke) if your gonna get any sort of realistic measurment. if you measure the profile of the tyre, it will not be accurate, however, you will get a good idea of the overall diameter.

  5. #5
    Committee, Shop Manager, SE Regional Rep Bigfoot's Avatar
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    Re: Wheel and tyre sizes

    You haven't said what the width of the tyre is so nobody will be able to work it out. Profile is a ratio of the width.

  6. #6
    Non-member OUTLAW's Avatar
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    Re: Wheel and tyre sizes

    measure the width of the rim from the inside to the end

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