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  1. #1
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    newb tube question

    i want to put semi-slicks on for road training. Do I need to get different tubes or will the ones already on fit ?

  2. #2
    Senior Member helmut's Avatar
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    Your current tubes have tread-knobs on them to fit into the knobs on your off-road tires. You'll need to buy smooth-sided tubes.
    2009 Specialized Allez Sport Compact
    2006 Cannondale F300
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  3. #3
    I was poisoned! dstrong's Avatar
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    Quote Originally Posted by helmut View Post
    Your current tubes have tread-knobs on them to fit into the knobs on your off-road tires. You'll need to buy smooth-sided tubes.
    Fixed.

    You're current tubes should be fine unless you dramatically change the width of the tire.

    2003 Interloc Impala2003 Interloc Impala2007 ParkPre Image C62003 Interloc Impala2004 Specialized Rockhopper

  4. #4
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    Quote Originally Posted by helmut View Post
    Your current tubes have tread-knobs on them to fit into the knobs on your off-road tires. You'll need to buy smooth-sided tubes.
    My lbs is always out of those. Can you give me a link to where I can get those ?

    Actually the reason I asked this was I spoke with 2 different sales people at my lbs and they gave me both opposite explanations.

  5. #5
    Banned. Mr. Beanz's Avatar
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    Most tubes had the size on the side of the box. Mine say 26X1.90-2.125...If I used slicks that were 1.50, I'd use the appropriate tubes.

    Use the correct size to avoid any confusion. I know riders that don't, I just like it to be right.

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