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  1. #1
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    My 1/8 chain is not fitting my 50/34t chainring and my 18t freewheel cog please help.

    Hello Everyone, and thanks for taking the time to read my thread....
    The problem that i am having is that my chain is not fitting my chainring & my cog, I have FSA Omega crank set Which has a 110mm BCD ,50/34t and the back wheel has 18t cog freewheel, also my chain i purchased is a single speed 1/2" X 1/8" ,I hope you guys can help me out as i am barley getting into learning about bikes thanks...

  2. #2
    Senior Member gyozadude's Avatar
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    What does "Not Fitting" mean? Not long enough? Too wide for the chain ring? Too short to go around 50t? Too long to go around 34t? Links too wide to sit on the FW or the chainrings? The chain is too tight or too loose when running fixed gear? The chain alignment is off? Or some other description is necessary to understand your problem.
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  3. #3
    coprolite fietsbob's Avatar
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    An 1/8" wide chain is just for single speed/IGH drive trains, these days.

    You pick the chain by how many cogs are on the back hub..
    5~8 is one width, 9 & 10 each have their own

    you need a 3/32" freewheel if you use 2 chainrings, not an 1/8" thick one.
    that is if you run a single in the back..
    Last edited by fietsbob; 06-17-12 at 09:19 AM.

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