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  1. #1
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    Default Tire dimension tool for different specs

    Here is a web address for comparing tire sizes. If our original 225/50/R15 size cannot be found, looks like

    the 205/55/R15 is almost exactly the same except for width. (The other alternative, 215/60/R15 is quite a bit different.)


    http://tire-size-conversion.com/tire-size-comparison/


    DubuqueSpyderRyder

  2. #2
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    Default Additional comparison

    Here's the specs for the 215/60/R15. Didn't show up on my first post.


    DubuqueSpyderRyder

  3. #3
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    Default

    Thanks!
    Having some hard and fast numbers always helps to weed out the poorer options first!
    2010 RT A&C, RT-L, RT-L , Orbital Blue, Cognac, Jet Black

  4. #4
    Very Active Member KX5062's Avatar
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    Default

    I like this website for the calculations.

    http://www.discounttiredirect.com/di...nfoTireMath.do
    2020 RTL SE6

    Previously 2008 GS SM5 and 2014 RT SE6






  5. #5
    Very Active Member freebob's Avatar
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    Default Spyder Rear Tire

    Quote Originally Posted by DubuqueSpyderRyder View Post
    Here is a web address for comparing tire sizes. If our original 225/50/R15 size cannot be found, looks like

    the 205/55/R15 is almost exactly the same except for width. (The other alternative, 215/60/R15 is quite a bit different.)


    http://tire-size-conversion.com/tire-size-comparison/


    DubuqueSpyderRyder
    I changed my rear tire at about 12,000 to the Kuhmo AST 225/50-15, I like this tire it performs well in all weather conditions I
    heard rumors that it might be discontinued but according to Discount Tire that was not a problem right now they have it in stock.
    Mine has 12,000 mi. on it now and looks really good for another 12 But I went ahead and ordered one to have it avail. when mine needs replacing...Got it delivered for total cost of 81.00..Have it stored in spare closet inside house til I need it....

    Freebob...

  6. #6
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    Default 14rts

    what about front 165 versus 175 did like rear specs thanks , matt 14rts cognac

  7. #7
    Very Active Member Chupaca's Avatar
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    Default Good to know..!!

    very nice now if it could be a permanent picture in the upper right hand corner with an oil spec sheet below life would be simpler...
    Gene and Ilana De Laney
    Mt. Helix, California

    ​2012 RS sm5
    2012 RS sm5 , 998cc V-Twin 106hp DIY brake and park brake Classic Black

  8. #8
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    Default tire options

    Quote Originally Posted by DubuqueSpyderRyder View Post
    Here is a web address for comparing tire sizes. If our original 225/50/R15 size cannot be found, looks like

    the 205/55/R15 is almost exactly the same except for width. (The other alternative, 215/60/R15 is quite a bit different.)


    http://tire-size-conversion.com/tire-size-comparison/


    DubuqueSpyderRyder
    I went with a nitto nt450 205/55/15R/ V . works very good and speedo and R
    PM's the same as with junk kenda tire.

  9. #9
    Very Active Member IdahoMtnSpyder's Avatar
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    Quote Originally Posted by DubuqueSpyderRyder View Post
    Here is a web address for comparing tire sizes. If our original 225/50/R15 size cannot be found, looks like

    the 205/55/R15 is almost exactly the same except for width. (The other alternative, 215/60/R15 is quite a bit different.)


    http://tire-size-conversion.com/tire-size-comparison/


    DubuqueSpyderRyder
    I talked with a local tire guy yesterday about changing tire widths. Based on his experience and knowledge going from 225 to 215 or 235 would be no problem. That's evidenced here by all the guys who have gone with a 215/60R15. Going to a 205 or 245 is getting iffy, probably OK but not as secure as one size change. Going 2 sizes different, either 195 or 255 is a definite no-no.

    2014 Copper RTS

    Tri-Axis bars, CB, BajaRon sway bar & shock adjusters, SpyderPop's Bumpskid, NBV peg brackets, LED headlights and modulator, Wolo trumpet air horns, trailer hitch, custom trailer harness, high mount turn signals, Custom Dynamics brake light, LED turn signal lights on mirrors, LED strip light for a dash light, garage door opener, LED lights in frunk, trunk, and saddlebags, RAM mounts and cradles for tablet (for GPS) and phone (for music), and Smooth Spyder belt tensioner.
    2014 RTS , Copper! (officially Cognac)

  10. #10
    Very Active Member KX5062's Avatar
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    Quote Originally Posted by WasWinger View Post
    I talked with a local tire guy yesterday about changing tire widths. Based on his experience and knowledge going from 225 to 215 or 235 would be no problem. That's evidenced here by all the guys who have gone with a 215/60R15. Going to a 205 or 245 is getting iffy, probably OK but not as secure as one size change. Going 2 sizes different, either 195 or 255 is a definite no-no.
    Agreed. Going from the original 225 to the 205 is more than 3/4" narrower. Seems to me too that it is getting "iffy".
    2020 RTL SE6

    Previously 2008 GS SM5 and 2014 RT SE6






  11. #11
    Very Active Member SPECTACUALR SPIDERMAN's Avatar
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    Default

    use this, it gives you a lot more specs
    http://www.e90post.com/forums/showthread.php?t=348794

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