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  1. #1
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    We the people ... buying new tires - challenging new adventures

    My new less than 20 km tires
    Purchased as proposed for loaded touring
    First trip holiday weekend with my son (3 years old in a child seat)
    Suddenly the rear tire decides to split the wires from the rubber
    Resulting an immediate inner tube bursting at about 25km speed
    Time Event 5:20 am in absolute darkness
    my weight 64 kg
    my son's weight 12kg
    other stuff 6 kg
    my pump drives up only to 68 psi

    the king of adventure is:
    Schwalbe marathon mondial 37/622

    collateral Damages
    3 km run, in total darkness to catch the only boat that will take us inland
    holidays go wrong
    the reaction of the on line store where I bought the tires were subdued to indifferent
    I'm waiting for the manufacturer's reaction
    My son is 3.5 years old
    Our weights rounded up generously and the island was very beautiful
    Attached Thumbnails Attached Thumbnails buying new tires - challenging  new adventures-_73128942.jpg  

    buying new tires - challenging  new adventures-_7312895-2.jpg  


  2. #2
    mtbr member
    Reputation: joeinchi's Avatar
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    Jun 2010
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    471
    Sorry for the misfortune and glad no one was injured.

    The issue sounds like it might be due to an installation error (sorry if that's not what you wanted to hear). Such blowouts occur if the tube is pinched in any way by the tire bead or the bead isn't seated completely on both sides. At your weight and relatively low air pressure, tire failure seems less likely. Is that the sort of response you've received?

    I had a similar issue on a road bike where the new front tire didn't seat completely and I blew up a couple of tubes--easy to do at >100 psi. The problem was that the rim tape was too thick where it overlapped near the stem hole which made it impossible for the tire to seat properly. Back wheel was no problem.

    To remedy the situation, I simply removed any overlapping rim tape and installation was finally done correctly. I'm not saying that's what happened in your case but I DID get a replacement tire from the retailer (Performance Bike is about 3 miles from my house) and I managed to blow up another tube with the replacement tire. So, clearly, it was a case of user error.

    Again, glad no one got hurt but you may want to retrace your steps to see if you can isolate the problem. Tires which are a very tight fit on the rims usually make for a pretty tough install.
    Joe
    Chicago, IL

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