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  1. #1
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    I have a chain problem

    Hi there,

    I just bought a Sugino Chainring:





    and a SRAM chain:



    They don't fit. It's as if the chain is too small. Any ideas why? I've used these chains before, and they fit the stock Truvativ Omnium chainring as well as the Sugino Messenger chainrings.

  2. #2
    ∞mpg SpaceFace's Avatar
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    If you bought that chain used maybe a 3/32'' chain was placed in there by mistake.

  3. #3
    GO, Mordecai! Syncmaster's Avatar
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    Idk but your pics are sweet.

  4. #4
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    Let's see a picture of the chain not fitting.

  5. #5
    the barbarian xdrmusclex's Avatar
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    Is this for a Pista? I had the same problem. If it is the pista, they come stock with 3/32 parts so if you switched up to 1/8 you need a 1/8 inch chain as well. I know everyone says they are interchangeable, but in my experience, the chain didnt quite fit, when I went to put pressure on the pedal, it made a clicking noise because the chain was not seating on the cog quite right. Use all 1/8 stuff (chainring, chain and cog) and you wont have a problem

  6. #6
    * adriano's Avatar
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    thats actually a 5/32 chainring.

  7. #7
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    so the packaging is wrong??????

  8. #8
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    well, here is a 1/8" chainring fitting:


    clearly a 1/8" chainring:


    not fitting:
    Last edited by gospastic; 03-09-09 at 05:46 PM.

  9. #9
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    Quote Originally Posted by gospastic View Post
    so the packaging is wrong??????
    Yes it is. It also says that the chainring is "black" when it clearly is not.

  10. #10
    No plan. peabodypride's Avatar
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    Quote Originally Posted by ddac View Post
    Do you just talk out of your ass all the time? Try using half a brain before posting.

    1/8" chain = 4/32" chain. We following along?
    4/32" is a little larger than 3/32". Are we still following?

    If chain = 1/8"
    If chainring = 3/32"
    That means chain is larger than chainring.

    Are you still with me with that 1/2 brain?

    If that's the case, the chain would have no issue fitting the chain ring. Use your other 1/2 of your brain sometimes....
    I don't know brah. I would be a little more respectful in tone to those who have been here a lot longer than you. Especially when you post things like asking for "street style" clipless shoes for riding around town with your friends.
    Last edited by peabodypride; 03-09-09 at 06:50 PM.

  11. #11
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    ^ Did you compare penis sizes, yet?

  12. #12
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    Quote Originally Posted by gospastic View Post
    not fitting:
    What are the labels on the sides of the plates?

  13. #13
    No plan. peabodypride's Avatar
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    Quote Originally Posted by darksiderising View Post
    ^ Did you compare penis sizes, yet?
    Nah.

    For what it's worth, my PC-1 definitely doesn't have the fluted inner links.

  14. #14
    Rumblefish jtarver's Avatar
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    Quote Originally Posted by adriano View Post
    thats actually a 5/32 chainring.
    No such thing and this would be a good opportunity(and thread) to beg people not to post technical info if they don't have a clue what they are talking about.
    1973 Crescent Pepita FG, 1987 Panasonic DX-4000, 1991 Trek 1400 FG, 1990's Gary Fisher Hoo-Koo-e-Koo SS, 1990's Denti Road Tech Five, 2009 Surly Long Haul Trucker

  15. #15
    No plan. peabodypride's Avatar
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    This thread really needs one.

  16. #16
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    the chain seems to fit around the teeth, it's as if the pitch is too large.


  17. #17
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    Quote Originally Posted by jtarver View Post
    No such thing and this would be a good opportunity(and thread) to beg people not to post technical info if they don't have a clue what they are talking about.
    *hint* i think it was a joke...
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  18. #18
    Bicycle Repair Man !!! Sixty Fiver's Avatar
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    A 1/8 chain will fit on a 3/32 chain ring and a 1/8 chainring but a 3/32 chain will not fit on a 1/8 chainring.

    Your chain is 3/32.

    Check it against a chain you know is 1/8th

  19. #19
    Real Men Ride Ordinaries fuzz2050's Avatar
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    3/32 chain on 1/8 chainring. Case closed.

    now post some more photos, you have mad camera skills.

    Wait...the chain fit on the other 1/8th chainring.

    I second the 5/8th chainring idea.
    Last edited by fuzz2050; 03-09-09 at 09:36 PM. Reason: Case reopened

  20. #20
    Rumblefish jtarver's Avatar
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    Quote Originally Posted by fuzz2050 View Post
    3/32 chain on 1/8 chainring. Case closed.

    now post some more photos, you have mad camera skills.

    Wait...the chain fit on the other 1/8th chainring.

    I second the 5/8th chainring idea.
    Priceless...
    1973 Crescent Pepita FG, 1987 Panasonic DX-4000, 1991 Trek 1400 FG, 1990's Gary Fisher Hoo-Koo-e-Koo SS, 1990's Denti Road Tech Five, 2009 Surly Long Haul Trucker

  21. #21
    No plan. peabodypride's Avatar
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    Quote Originally Posted by Sixty Fiver View Post
    A 1/8 chain will fit on a 3/32 chain ring and a 1/8 chainring but a 3/32 chain will not fit on a 1/8 chainring.

    Your chain is 3/32.

    Check it against a chain you know is 1/8th
    Not quite, check out the photos again.

    Quote Originally Posted by fuzz2050 View Post
    3/32 chain on 1/8 chainring. Case closed.

    now post some more photos, you have mad camera skills.

    Wait...the chain fit on the other 1/8th chainring.

    I second the 5/8th chainring idea.
    Something fishy's going on here. A borked chainring maybe?

  22. #22
    Rumblefish jtarver's Avatar
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    Quote Originally Posted by peabodypride View Post
    Not quite, check out the photos again.



    Something fishy's going on here. A borked chainring maybe?
    Okay, here's the deal:
    According to the OPs photos, there shouldn't be a problem, whether or not the chainring is 3/32 or 1/8(the only two options for modern rings) the chain box he shows indicates the correct pitch(all modern chains/chainrings are 1/2" pitch) and width to fit either 3/32 0r 1/8.
    This thread is most likely attributed to a "brain fart" by the OP, happens to all of us.

    BTW 5/8 is over half an inch, kinda thick for a chainring, don't ya think...
    1973 Crescent Pepita FG, 1987 Panasonic DX-4000, 1991 Trek 1400 FG, 1990's Gary Fisher Hoo-Koo-e-Koo SS, 1990's Denti Road Tech Five, 2009 Surly Long Haul Trucker

  23. #23
    ∞mpg SpaceFace's Avatar
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    OP is messing with everyone. Maybe he wanted to see what kind of crap people would spew?

  24. #24
    Rumblefish jtarver's Avatar
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    Quote Originally Posted by SpaceFace View Post
    OP is messing with everyone. Maybe he wanted to see what kind of crap people would spew?
    If so, he succeeded, crap has been spewed. I'm giving the benefit of the doubt, we all make things too complicated at times. Throw in a bunch of misinformation from some guys I wouldn't let change my bar tape and things get really convoluted...
    1973 Crescent Pepita FG, 1987 Panasonic DX-4000, 1991 Trek 1400 FG, 1990's Gary Fisher Hoo-Koo-e-Koo SS, 1990's Denti Road Tech Five, 2009 Surly Long Haul Trucker

  25. #25
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    wait, what is confusing here? The pics are pretty clear what the issue is.

    I have a chain that is clearly 1/2" x1/8", evidenced by box and the fact that it fits another chainring that is labeled as 1/8" width.

    The chainring in question, is supposedly 1/2" x 1/8", but the confirmed 1/2"x 1/8" chain does not fit it. Does anyone else own this chainring? Can anyone tell me what is going on with it?

    I am not trying to confuse anyone, as I am thoroughly confused by this matter. Supposedly all chains/chainrings have 1/2" pitch, okay. So why doesn't my chain fit? This Sugino chainring is making me sad.

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