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  1. #1
    Bike fiend. Analog's Avatar
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    1/8" Chain with 3/32" parts.

    Ok, I apologize in advance if this is an incredibly stupid question, but I don't usually post in this forum, and couldn't find anything with the search.
    So:
    Can somebody give me a reasonable explanation why BMX'ers (as far as I know) always use 1/8" chains, but a majority of the freewheels and chainrings(and chainwheels), utilize 3/32", at least in the catalogs that I've checked?
    Also, I'm a mechanic, and work in a bike shop, so I don't need an over-simplified answer, I'm just curious about the wild world of BMX.
    Thanks!

  2. #2
    Fitbikeco. SoDa_76's Avatar
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    bmx simpley kicks the balls off any other sport
    BMX TILL I DIE!!! AND THEN SOME!!!!

  3. #3
    Long haired freak. wethepeople's Avatar
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    They're stonger.

    We need stronger for when we smash it up on stuff doing grinds, a smaller chain wouldnt take as much.

    "the bus came by and I got on, that's when it all began...there was Cowboy Neal at the wheel of a bus to never-ever land."


  4. #4
    Senior Member Brian's Avatar
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    Quote Originally Posted by Analog
    Also, I'm a mechanic, and work in a bike shop, so I don't need an over-simplified answer, I'm just curious about the wild world of BMX.
    Thanks!
    Mechanic/WD40? I'm worried.

  5. #5
    Senior Member
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    bmx has used 3/32 for a long time, I'm pretty sure my first bmx had a 3/32 chain back in the early 80's. 1/8 chains have also been in regular usage too, though normally on single speed beach cruisers or 3 speeds. Eventually people started using 1/8 chains, maybe because they thought they were stronger, maybe because of availability.
    The change to thicker teeth came later.
    People run 1/8 now because the teeth are stronger, even if the chains aren't.

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