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Determining chain width

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Determining chain width

Old 04-28-21, 02:27 PM
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tiger1964 
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Determining chain width

Presuming that I concede I cannot tell by eye, how do I figure if a chain is 1/8" or 3/32"? I'm thinking that as I have a micrometer, I try to measure the thickness of the rollers. Eh?

Pretty sure my 1993 Stanley needs a new chain, don't want to remove the old one until I am back form the LBS with a new one.

True confession: the 1993 Stanley is not a bike, but my garage door opener. Likeliest size to me is 1/8".
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Old 04-28-21, 02:28 PM
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If you have 1/8" and 3/32" drill bits available, could you just see which fit?
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Old 04-28-21, 02:47 PM
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Get a SRAM PC-1. Their outside width is narrow enough for most 3/32" applications, while the inside is wide enough for the thicker 1/8" cogs.
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Old 04-29-21, 05:03 AM
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Originally Posted by CO_Hoya View Post
If you have 1/8" and 3/32" drill bits available, could you just see which fit?
Thanks, that might be easier than using a micrometer while on a stepladder.

Originally Posted by non-fixie View Post
Get a SRAM PC-1. Their outside width is narrow enough for most 3/32" applications, while the inside is wide enough for the thicker 1/8" cogs.
Thanks, bookmarked.
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