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  • Is the 12 speed Sram road stuff (12 speed in general) prone to wearing quickly?

    A mate has bought a bike second hand that has done a supposed ‘1000km’ and the big ring is gubbed.

    Personally I’ve only ever worn one set of chainrings out because I keep on top of chain wear.

    Narrower chains presumably don’t help in all of this.

  • ‘Best bike so only done dry miles.’

    Probably been cross chained for 4,000km through winter.

    Apparently you have to swap the WHOLE thing out including the PM. You get 50% off a new one - but only if you’re the original owner.

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