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Q-Tubes Standard 700C Presta Tube

Item #: TU245A19
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Q-Tubes 700C Diameter Presta Tube

These Quality 700C presta valved tubes(screw top) are offered in a number of sizes for road, touring and cyclocross applications. Valve stems come in different lengths to accomodate different rim profiles.
  • 32, 48, 60 and 80mm valve
  • Presta (French) Valve
  • Removable valve core
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REVIEW SNAPSHOT®

by PowerReviews
QualityQ-Tubes Standard 700C Presta Tube
 
4.4

(based on 21 reviews)

Ratings Distribution

  • 5 Stars

     

    (13)

  • 4 Stars

     

    (6)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (1)

90%

of respondents would recommend this to a friend.

Pros

  • Good stem length (16)
  • Easy to regulate (7)
  • Lightweight (6)
  • Puncture resistant (4)

Cons

    Best Uses

    • Road biking (14)
    • Casual riding (7)
      • Reviewer Profile:
      • Avid cyclist (9), Casual/ recreational (4), Commuter (4)
      • Was this a gift?:
      • No (21)

    Most Liked Positive Review

     

    Q-Tubes Standard 700C Presta Tube

    I've been using these tubes on my fixed gear bike for awhile now and I havent had many issues other than a few flats. Part of that was my fault as I was using...Read complete review

    I've been using these tubes on my fixed gear bike for awhile now and I havent had many issues other than a few flats. Part of that was my fault as I was using a size too low as far as the tube stretching and becoming thin. Once someone at jenson told me to try the next size up (23-25) I havent had any flats since so just be careful and make sure your tube matches the tires you're using

    VS

    Most Liked Negative Review

     

    Two problems...

    I was using these tubes almost exclusively for several years but noticed two consistent problems:

    1. When inflating them with my Blackburn floor pump, I'd have to attach the pump...Read complete review

    I was using these tubes almost exclusively for several years but noticed two consistent problems:

    1. When inflating them with my Blackburn floor pump, I'd have to attach the pump at least 3 or 4 times before getting a good seal. I'd get it attached, start pumping and hear it leaking out from around the stem. Sometimes I couldn't get it to seal at all on its own and had to hold pressure above the valve stem with one hand (or a foot) while trying to somehow pump with the other. It wasn't until I tried other brands of tubes that I realized the problem was with Q-Tubes, not the pump.

    2. The other problem occurred a couple of times out on the road with my Topeak RaceRocket pump. When unscrewing the pump head after inflation, it would also inadvertently unscrew the the removable valve core. Admittedly this is partially the fault of the pump, however it led to much cursing and the decision to buy tubes without removable valve cores.

    Since switching to Michelin tubes with non-removable cores, both problems have been solved.

    FWIW most of the 'Q-Tubes' I received were actually manufactured by Kenda.

    Reviewed by 21 customers

    Sort by

    Displaying reviews 1-10

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    5.0

    Perfect for Enve 6.7's

    By Joseph

    from Fort Mohave, AZ

    About Me Avid Cyclist

    Verified Buyer

    Pros

    • Good Stem Length

    Cons

      Best Uses

      • Road Biking

      Comments about Quality Q-Tubes Standard 700C Presta Tube:

      One tiny little problem with Enve 6.7's is if there is any play with the stem itself it will cause an annoying banging sound hence the need for a threaded stem with lock screw. The 80mm stem is a perfect fit for 70-60mm carbon's. I put a very small dab of thread locker on them and a few ounces of Slime in the tube and my wheels are both silent and bomb proof.

      • Was this a gift?:
      • No
       
      5.0

      Q-Tubes Standard 700C Presta Tube

      By Mike G.

      from Riverside, CA

      About Me Casual/ Recreational

      Verified Buyer

      Pros

      • Easy To Regulate
      • Good Stem Length

      Cons

        Best Uses

        • Casual Riding
        • Road Biking

        Comments about Quality Q-Tubes Standard 700C Presta Tube:

        I've been using these tubes on my fixed gear bike for awhile now and I havent had many issues other than a few flats. Part of that was my fault as I was using a size too low as far as the tube stretching and becoming thin. Once someone at jenson told me to try the next size up (23-25) I havent had any flats since so just be careful and make sure your tube matches the tires you're using

        • Was this a gift?:
        • No
         
        5.0

        Quality tubes

        By Old and fat

        from Phoenix, AZ

        About Me Avid Cyclist

        Verified Buyer

        Pros

        • Good Stem Length

        Cons

          Best Uses

          • Casual Riding
          • Mountain Biking
          • Racing
          • Road Biking

          Comments about Quality Q-Tubes Standard 700C Presta Tube:

          I only use tubes with removable cores as I always put a couple oz of Stan's in them. These work as good as Continental tubs but are much cheeper.

          • Was this a gift?:
          • No
           
          4.0

          Great price

          By Chadblue

          from Lancaster, Ca

          About Me Avid Cyclist

          Verified Reviewer

          Pros

          • Good Stem Length

          Cons

            Best Uses

            • Road Biking

            Comments about Quality Q-Tubes Standard 700C Presta Tube:

            Great price, just need to get a flat to try them out

            • Was this a gift?:
            • No
             
            5.0

            Great price, but issue with inflating.

            By Carb muncher

            from Perris, CA

            About Me Casual/ Recreational

            Verified Buyer

            Pros

            • Good Stem Length
            • Lightweight

            Cons

              Best Uses

              • Casual Riding

              Comments about Quality Q-Tubes Standard 700C Presta Tube:

              I bought this tube for my brothers fixie bike. He's only ridden the bike a couple times since installing the new tube, so we don't know yet how well it'll keep from being punctured. Did have an issue with the bulging out of the tire I when inflating. Specifically by the stem area:/

              • Was this a gift?:
              • No
               
              4.0

              Good Product

              By Ninja Bike Rider

              from Little Rock, AR

              About Me Commuter

              Verified Reviewer

              Pros

              • Easy To Regulate
              • Good Stem Length
              • Lightweight

              Cons

                Best Uses

                • Road Biking

                Comments about Quality Q-Tubes Standard 700C Presta Tube:

                Works well.

                The stem length is great!

                • Was this a gift?:
                • No
                 
                5.0

                Removable Cores, nice!

                By minced

                from Chino, CA

                Verified Reviewer

                Pros

                • Removable Core

                Cons

                  Best Uses

                  • Road Biking

                  Comments about Quality Q-Tubes Standard 700C Presta Tube:

                  Just regular tubes that do the job. All have been good out of the box with no defects that would make them non-functioning. The valve cores are removable, so make sure the core is tight so that it doesn't blow out.

                  • Was this a gift?:
                  • No
                   
                  4.0

                  Tuuuuuube

                  By TC

                  from La Habra

                  About Me Casual/ Recreational

                  Verified Buyer

                  Pros

                  • Easy To Regulate
                  • Good Stem Length

                  Cons

                  • Poor Stem Length

                  Best Uses

                  • Road Biking

                  Comments about Quality Q-Tubes Standard 700C Presta Tube:

                  these tubes are used for weekend riding. It pretty easy to use, install. So far no big problems with it yet.

                  • Was this a gift?:
                  • No
                   
                  5.0

                  So far so good

                  By David

                  from Michigan

                  About Me Commuter

                  Verified Reviewer

                  Pros

                    Cons

                      Best Uses

                        Comments about Quality Q-Tubes Standard 700C Presta Tube:

                        So far so good. No flats in 18 months of daily commuting on terrible Michigan roads.

                        • Was this a gift?:
                        • No
                         
                        4.0

                        Great tube

                        By MikelT

                        from The woodlands, TX

                        About Me Casual/ Recreational

                        Verified Reviewer

                        Pros

                        • Easy To Regulate
                        • Good Stem Length
                        • Lightweight
                        • Puncture Resistant

                        Cons

                          Best Uses

                          • Casual Riding
                          • Road Biking

                          Comments about Quality Q-Tubes Standard 700C Presta Tube:

                          Great tube and great service from jensonusa

                          • Was this a gift?:
                          • No

                          Displaying reviews 1-10

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                          Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.