The Bike Shop


Newbie question: Tube sizing (Read 72 times)

fear the Col Sanders

    So, my bike says I should use a 23cm tube in my wheel.  I went to a bike shop (not my favorite local one) and they had some Bontrager tubes, one was an 18-23 and another was a 23-25.


    Does this mean I could use either?  Is one preferable to the other?


    I hate being so dumb on these things.  I can't wait until I know what I'm talking about.

    Just because I look dumb doesn't mean I'm not...

      Yes, you can use either.


      There is a great deal of slop when it comes to manufacturing tubes. You'll find substatial differences between manufactures with tubes labled the same.  The Human Powered League - Solo Cup Series - Trail Building

      fear the Col Sanders

        Thanks for the information.


        Are there certain brands you are like?  Or is that a personal thing like running shoe brands?

        Just because I look dumb doesn't mean I'm not...

          Slo is right. One thing to consider is that the smaller size might be a gram or two lighter and result in a half second time savings over 50 miles. In other words you won't notice the difference.


          As for me, I usually buy basic tubes ie. Bontrager. You could get thin and more expensive tubes that might save you a few more half seconds.