SRAM Omnium snapped....for the 2nd time!

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  • The reason cranks brake at that point is that the whole pedal-crank interface is a poor design.

    Exactly. There's no reason not to choose alu cranks. Choose alu cranks that aren't shit.

  • Sure, aluminium cranks can be made reliable. Too bad there are too many bad ones out there.
    Steel is actually less susceptible to fatigue, though obviously not immune.
    Anyway, I wouldn't mind a good quality track crankset made from steel.

  • Most crank failures I've ever seen are on commuter bikes, miles, lots of starts from a standstill (torque transfer at its highest for an average joe or julie type rider), salt, sweat, salt and water combined on alloy is a bad thing, pedal strikes cause a lot of damage (to ride as well!).

    MTB its been from clatting a composite crank/pedal strike maximus and ripped the threaded insert out of them.

    Road pretty much only 'common' failure I see is 105/Ult HT2 coming apart at the weld/joint, again I think more from salt + water getting in there and causing the alloys to break down into dust.

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SRAM Omnium snapped....for the 2nd time!

Posted by Avatar for tooth78 @tooth78

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