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    John Finney's Avatar
    John Finney Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Nov 15, 2013, 03:08 PM
    Mag wheel swap
    How will installing a 18 inch rear mag From a 1979 XLCH where a 16 inch mag is on a 1981 XLH work out?
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Nov 15, 2013, 03:25 PM
    Assuming the same side profile, it will be a lot bigger. It will also throw off your speedometer by about 4MPH at 65 and change your ultimate gearing. If you can change sidewall profile, get the same circumference and then you will be OK.
    darthsinister's Avatar
    darthsinister Posts: 25, Reputation: 1
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    #3

    Nov 17, 2013, 12:03 AM
    It won't throw your speedometer off since that is run off the front wheel.
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