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  1. #1
    mtbr member
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    May 2009
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    wide, flat cog and chainring teeth?

    What are the advantages/disadvantages of having these very wide looking teeth with flat tops on sprockets? Is it just supposed to wear more slowly?

    If it's better to have these on a single speed, I'm wondering why, for example, my redline monocog has much more pointy looking teeth on both the chainring and cog than some of the aftermarket singlespeed cogs/chainrings I have seen pictures of on here.

    Is there some disadvantage of them? Are they noisier?

  2. #2
    mtbr member
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    They are designed to integrate more tightly with the square profile of the chain. Noisier to start out, but quickly wear with the chain so you have a tooth/chain interface that is very well matched. With a loose chain, the rollers don't tend to skip over the teeth as easily either.

    These are SS specific. You couldn't use them on a geared bike. Shifting would be painful to listen to, and the movement of the chain would eventually clip all the corners off of the teeth.

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