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  1. #1
    mtbr member
    Join Date
    May 2009

    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
    Join Date
    Apr 2009
    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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