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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 03-08-09, 10:40 PM   #1
gospastic
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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.
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Old 03-09-09, 12:31 PM   #2
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If you bought that chain used maybe a 3/32'' chain was placed in there by mistake.
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Old 03-09-09, 01:09 PM   #3
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Idk but your pics are sweet.
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Old 03-09-09, 02:21 PM   #4
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Let's see a picture of the chain not fitting.
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Old 03-09-09, 04:53 PM   #5
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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
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Old 03-09-09, 05:22 PM   #6
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thats actually a 5/32 chainring.
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Old 03-09-09, 05:33 PM   #7
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so the packaging is wrong??????
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Old 03-09-09, 05:42 PM   #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.
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Old 03-09-09, 05:48 PM   #9
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so the packaging is wrong??????
Yes it is. It also says that the chainring is "black" when it clearly is not.
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Old 03-09-09, 06:39 PM   #10
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Quote:
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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.
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Old 03-09-09, 06:58 PM   #11
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^ Did you compare penis sizes, yet?
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Old 03-09-09, 07:03 PM   #12
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Quote:
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not fitting:
What are the labels on the sides of the plates?
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Old 03-09-09, 07:05 PM   #13
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^ Did you compare penis sizes, yet?
Nah.

For what it's worth, my PC-1 definitely doesn't have the fluted inner links.
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Old 03-09-09, 07:14 PM   #14
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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.
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Old 03-09-09, 07:35 PM   #15
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This thread really needs one.
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Old 03-09-09, 08:55 PM   #16
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the chain seems to fit around the teeth, it's as if the pitch is too large.

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Old 03-09-09, 09:04 PM   #17
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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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Old 03-09-09, 09:15 PM   #18
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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
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Old 03-09-09, 09:34 PM   #19
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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
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Old 03-09-09, 09:48 PM   #20
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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.
Priceless...
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Old 03-09-09, 09:52 PM   #21
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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?
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Old 03-09-09, 10:05 PM   #22
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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...
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Old 03-09-09, 10:09 PM   #23
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OP is messing with everyone. Maybe he wanted to see what kind of crap people would spew?
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Old 03-09-09, 10:14 PM   #24
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Quote:
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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...
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Old 03-09-09, 11:03 PM   #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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