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Thread: tire size

  1. #1
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    tire size

    bike noob here.

    I bought new tires, and i thought they were the right size, they look like they should fit on the wheel and they look like they are the same size as my previous tires but I have tried so hard to get them on the wheel and I cant.

    I dont know much about tire sizes so I'll quote all the numbers I can see on the old and new tires:

    the old tires say 27 X 1 1/4 (32-630)

    the new ones say 23-622 (700X23C)

    Will it be impossible to get the new tires on? should i take them to a bike shop and have someone try for me or will i just be told that i have the wrong tires?

    I cant really get the old tires back on either so perhaps my technique is wrong, I am using tire levers.

    thanks.

  2. #2
    Galveston County Texas 10 Wheels's Avatar
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    You bought the tires at the shop?
    [SIZE=1][B]What I like about Texas[/B]
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  3. #3
    Senior Member Sci-Fi's Avatar
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    The 700X23C (23-622) are the wrong size tires for your bike. Easy way to remember is to match the ISO size, in your case: 630 (the number in front indicates the width of the tire, i.e. 32-630). Take the tires back and have them order the right size for you or get a refund.

    REI has Vittoria Zaffiro II and Serfas Seca Road Utility Tires in 27x1-1/4. Can special order from your LBS or online order Michelin World Tour 27x1-1/4 tires or Schwalbe Marathon 27x1-1/4 Tires or Specialized All Condition Armadillos. There are choices out there and various price ranges to fit your budget for 27x1-1/4 tires.

  4. #4
    Bianchi Goddess Bianchigirll's Avatar
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    hello ms99066. welcome to the forum. unfortunatly as stated the tires will not fit. I used to see this quite often when I was in the business. I hope you bought your tires at you local shop. if so take them back I am sure they willbe happy to help you resolve this issue. take one of your old tires with you just to be sure.
    Bianchis '87 Sport SX, '90 Proto (2), '91 Boarala 'cross, '93 Project 3, '88 Trofeo, '86 Volpe, '89 Axis, '79 Mixte, '99 Mega Pro XL Ti, '97 Ti Megatube, , '90 something Vento 603,

    Others but still loved,; '80 RIGI, '80 Batavus Professional, '87 Cornelo, '86 Bertoni (sold), '09 Motobecane SS, '98 Hetchins M.O., '09 K2 Mainframe, '89 Trek 2000, '?? Jane Doe (still on the drawing board), '90ish Haro Escape

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