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  • inertube problem ?????

     BMR updated 12 years ago 9 Members · 26 Posts
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  • mrdavecook

    Member
    16 May 2009 at 12:47 pm

    went and got the rockhopper out of the garage to fit my new rear crud caatcher but my front tyre was down no real drama but when looking at the inertube under water there is loads of tiny holes any idea what has caused this i cant see any thing in the tyre ????????????????

  • SeanO

    Member
    16 May 2009 at 1:36 pm

    Were they on the inside of the tube?

  • mrdavecook

    Member
    16 May 2009 at 2:19 pm

    They where all over the tube just bought one of them slime tubes from halfrauds shhhhhh the bubbles just sat on the tube under water thats how small these holes are

  • SeanO

    Member
    16 May 2009 at 2:23 pm

    No idea then, cheap tube maybe 😕

  • mrdavecook

    Member
    16 May 2009 at 2:35 pm

    the tubes are the ones that came with my rock hopper do you think i should replace the rear one as well ??????

  • Dale

    Member
    16 May 2009 at 2:39 pm

    Might have just been a manufacturing problem or something, try the back one in the water – if it doesn’t bubble or go down then theres no point in replacing it, assuming you carry a spare or repair kit with you anyway?

  • mrdavecook

    Member
    16 May 2009 at 2:45 pm

    yeah i carry a basic repair kit a get me home if u like might just replace it with a slime tube

  • Alex.

    Member
    16 May 2009 at 2:59 pm

    thats not holes in your tube. put the tube back under the water and brush the bubbles off. they wont appear trust me. give it another go

  • Dale

    Member
    16 May 2009 at 3:00 pm

    I had a slime tube and yes they are good, after putting it in I never got a flat, but what you’ve got to remember is that you could be riding down the road with about 15 punctures and not know about it. Also i’m pretty sure slime is only ment to be a “get you home” fix as well.

    Oh, and another thing to remember if you do get it, is always pump your tyre up with the valve at the top, because obviously gravity will cause the slime to sit in the bottom of your tyre – so when the pump connects onto the valve and the air is released the slime can mould around the valve 😳 😳

  • mrdavecook

    Member
    16 May 2009 at 3:05 pm

    Alex i did that brushed them off and they do come back i think its just a crap tube the bike dont get used that often so i have not noticed it going down as the bike is just sat in the garage

  • Gunner

    Member
    16 May 2009 at 3:58 pm

    I tend to agree with Alex on this.

    The bubbles you describe are probably just air stuck to the rubber and attracting to each other to make small bubbles.

    If they were from a puncture they wouldn’t “sit on the tube” but be forced from it by internal pressure.

    Only put about 6 -8 inches of the tube underwater and feed it through the water slowly, any puncture will be evident by a steady stream of bubbles leaving the tube.

    Obviously make sure the tube is pumped up to a high pressure.

    😉

  • mr-marty-martin

    Member
    16 May 2009 at 4:07 pm

    but not to high or you’ll stretch the tube…

  • Gunner

    Member
    16 May 2009 at 4:16 pm

    but not to high or you’ll stretch the tube…

    Rubbish……….

    Put plenty of air in it, most of the time you’ll be able to hear where the puncture is, how do you think you mend a puncture out on the road.

    😉

  • mr-marty-martin

    Member
    16 May 2009 at 4:20 pm

    sorry but its not like gunner, you put a load of presure in the tube and it gets massive, and will endup stretching it…

    oh and before you put the tube rub it all with talcen powder, just to stop it nipping 😉

  • Steve Kish

    Member
    16 May 2009 at 4:28 pm

    Marty, you do make me laugh! 😀

    Of course it stretches it, but it will contract again when the air comes out.

    When testing for punctures with the tube out of the tyre, unless you inflate the tube to a fair size, you’ll have only a few psi in there and this may not be enough to show the puncture.

    I inflate mine with a compressor so that the tyre quite huge – never had any problems with it contracting when it was deflated.

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