• I've got SRAM Red 11 group on a bike I bought used. Now I want to fit 4 bolt cranks.

    Y tho?
    Don't worry about the thickness of the teeth, buy 11 speed rings and they'll be fine.

  • Because I happened upon a cheap scratched THM Clavicula on ebay. It came with new carbon rings, still in their packets. Haven't decided whether to fit them for a giggle or sell them. I haven't measured their thickness yet, but I imagine they'll wear even faster than normal with a too-wide chain?

  • I have no experience but carbon does not do well in areas of wear. Which is why people like Carbon-ti and Rotor make carbon chainrings with aluminium teeth

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