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Oh balls!

  • 24-05-2009 10:00pm
    #1
    cunnins4
    Closed Accounts Posts: 882 ✭✭✭


    Well I'm having a bad week with my Focus. Tonight I was putting it away and it fell over onto a little wall on the patio and got a big DENT in crossbar.

    'm sure it's still fine to cycle but that's two things in a week-last week the threads from the bb shell came out with the original bb, and now this. AND Wiggle agreed to take it back to have a look at it over the bb. They'll never believe I've taken care of it if there's a whopping big dent in the frame!

    :(


Comments

  • #2
    sean_d
    Registered Users, Registered Users 2 Posts: 208 ✭✭sean_d


    Serves you right...should have been studying :P
    Can't remember, is your a carbon frame? Dents in carbon might not be good...


  • #3
    pburns
    Registered Users, Registered Users 2 Posts: 2,423 ✭✭✭pburns


    sean_d wrote: »
    Serves you right...should have been studying :P
    Can't remember, is your a carbon frame? Dents in carbon might not be good...

    I don't think carbon would 'dent'. It would shatter or crack I reckon.

    Anyway, I thought carbon was supposed to be stronger than steel? An F1 car can crash into a barrier at 150mph+ and if lucky the driver walk away unscathed (Robert Kubica's accident in Canada '07 for example). Yet when it comes to bicycles I'm hearing stories about how fragile carbon is. I know it has different characteristics to aluminium etc. and that cracks can go unnoticed but still...


  • #4
    Lumen
    Registered Users, Registered Users 2 Posts: 31,223 ✭✭✭✭Lumen


    pburns wrote: »
    I thought carbon was supposed to be stronger than steel? An F1 car can crash into a barrier at 150mph+ and if lucky the driver walk away unscathed (Robert Kubica's accident in Canada '07 for example). Yet when it comes to bicycles I'm hearing stories about how fragile carbon is. I know it has different characteristics to aluminium etc. and that cracks can go unnoticed but still...

    Carbon is directionally strong. Carbon bikes are generally designed to take the particular forces of cycling, which may be different from the "dropping on the patio" forces.

    A lot depends on the design of the frame. There are stories of people cracking Scott Addicts from sitting on the top tube.

    Metal bikes can be fragile too - the walls of some high end butted tubing are very thin.


  • #5
    scottreynolds
    Closed Accounts Posts: 2,001 ✭✭✭scottreynolds


    Lumen wrote: »
    A lot depends on the design of the frame. There are stories of people cracking Scott Addicts from sitting on the top tube.

    ................which is a pretty stupid thing to do.


  • #6
    Lumen
    Registered Users, Registered Users 2 Posts: 31,223 ✭✭✭✭Lumen


    scottreynolds wrote: »
    ................which is a pretty stupid thing to do.

    Indeed. But the same US forums are also full of people bitching that they get chain rub when cross-chaining their SRAM Red. "I paid $$$ for 20 gears, I want to use them all!".


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  • #7
    abcdggs
    Registered Users, Registered Users 2 Posts: 1,831 ✭✭✭abcdggs


    scottreynolds wrote: »
    ................which is a pretty stupid thing to do.
    is it a bad idea to sit on the top tube???


  • #8
    DirkVoodoo
    Registered Users, Registered Users 2 Posts: 11,505 ✭✭✭✭DirkVoodoo


    I do it sometimes, but I am only 63Kg so probably not much risk.

    Can't hurt not to sit on it though...


  • #9
    Jawgap
    Closed Accounts Posts: 20,297 ✭✭✭✭Jawgap


    scottreynolds wrote: »
    ................which is a pretty stupid thing to do.

    i kind of lean on the top tube when I'm waiting for someone:o

    - the bike being at 90 degrees to my arse - it's not supporting my full weight - but having read this, it's one habit I'll be dropping.


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