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  1. #1
    To ride is to live.
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    Chain Width Question

    Hello Everyone,

    Like everybody, I'm building a single speed. I'm using a Formula flip/flop hub, ACS or Shimano BMX freewheel and a Sugino RD crankset. What width chain should I use, 1/8 or 3/32? Does it really matter?

    Thanks!

    -Dustin

  2. #2
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    if your cog or chainwheel are both 3/32", use a 3/32" chain, if either or both are 1/8", you have to use a 1/8" chain

  3. #3
    Senior Member brunning's Avatar
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  4. #4
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    the real question though is - isd 1/8 better than 3/32 - one recognized authority (SB) claims that the 3/32s are just as good and quieter, and possibly better designed, considering they have to absorb the "spread" of a 8, 9, or 10 speed hub. Goood points, but has anyone ever compared sidewall width and bearing strength of a good 3/32 vs. a good 1/8 chain?

    Also - any direct experience?

    Thanks

  5. #5
    jack of one or two trades Aeroplane's Avatar
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    Quote Originally Posted by wildbird
    the real question though is - isd 1/8 better than 3/32 - one recognized authority (SB) claims that the 3/32s are just as good and quieter, and possibly better designed, considering they have to absorb the "spread" of a 8, 9, or 10 speed hub. Goood points, but has anyone ever compared sidewall width and bearing strength of a good 3/32 vs. a good 1/8 chain?
    Nobody cares. Any difference in strength, bushing durability, etc. will vary more between manufacturers that between different sizes.

    The occurrence of a decent chain snapping for no reason is ridiculously rare. Just buy a chain that fits and use it.

    experience - nobody here rides bikes, so no.
    Quote Originally Posted by Dr Irwin Goldstein
    Men should never ride bicycles. Riding should be banned and outlawed. It is
    the most irrational form of exercise I could ever bring to discussion.

  6. #6
    LF for the accentdeprived
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    Whichever you can get cheaper/closer/faster. If you're a weight weenie, get 3/32, if you like the beefy look, get 1/8. Availability of decent quality cheap chains could be a factor, too.
    Quote Originally Posted by dutret
    Do you deny that you are clueless or do you just think that "moron" didn't need to be tacked on there?
    Bike on flickr and on FGG

  7. #7
    To ride is to live.
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    Quote Originally Posted by LóFarkas
    Whichever you can get cheaper/closer/faster. If you're a weight weenie, get 3/32, if you like the beefy look, get 1/8. Availability of decent quality cheap chains could be a factor, too.
    Both freewheel cog and chain ring are skinny, so it looks like 3/32!

    Thanks!

    -Dustin

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