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Split on tyres - what's going on?

  • 21-01-2015 11:17am
    #1
    Pinch Flat
    Registered Users, Registered Users 2 Posts: 7,767 ✭✭✭


    So put a pair of bog standard (ie not gp4 / 4000) grand prix continentals on the commuter / winter bike last October. All going great until last week - noticed a split and bulging tube in the rear. Tyre removed and replaced. I'm sure it wasn't over inflated.

    Cycling in this morning, same thing happens on the front to tyre - alerted by the bulge hitting the front mudguard. Could have been a lot worse - thankfully I keep a spare folding panaracer in the back pack so was able to change and continue.

    Tyres can't have any more than 2000km on them. Had a pair on the bike previously that I literally wore out after 10,000 km plus without issue

    Quick google suggests this may be an issue with other more expensive grand prix tyres with low mileage.


Comments

  • #2
    check_six
    Registered Users, Registered Users 2 Posts: 2,245 ✭✭✭check_six


    Brake pads may be a bit high on the rims?

    Not enough pressure in the tyre could mean the sidewalls could be chaffing in the corners?

    Got a small split in the sidewall without realising it there recently. Got a puncture, swapped the tube, cycled on down the road, turned a corner, and... KABOOOOM! New tube explodes with a mighty bang. Loosing all pressure instantly (combined with the fright of what could only be the work of a sniper) made the cornering experience "interesting" to say the least!


  • #3
    Pinch Flat
    Registered Users, Registered Users 2 Posts: 7,767 ✭✭✭Pinch Flat


    check_six wrote: »
    Brake pads may be a bit high on the rims?

    Not enough pressure in the tyre could mean the sidewalls could be chaffing in the corners?

    Got a small split in the sidewall without realising it there recently. Got a puncture, swapped the tube, cycled on down the road, turned a corner, and... KABOOOOM! New tube explodes with a mighty bang. Loosing all pressure instantly (combined with the fright of what could only be the work of a sniper) made the cornering experience "interesting" to say the least!

    Brakes were my first culprit as i replaced both sets of pads last week. No - clearance is fine and the brakes are sitting fine on the rim.

    I'm not doing any mad cornering in the bike - I use it on a 26km round trip commute daily. Also using it on weekend spins to preserve my other bike from the worst of the winter.


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