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WTB: 5-pin TA chainring for Williams cottered crank

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WTB: 5-pin TA chainring for Williams cottered crank

Old 01-13-22, 03:25 PM
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Ged117
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WTB: 5-pin TA chainring for Williams cottered crank

Hi folks,

I am using a cottered Williams steel crank for my '51 Wasp, and I want to use longer crank arms, so I've found a new set of crank arms, but these require a 5-pin chainring instead of 3. So I am looking for a 50.4 BCD 1/8" or 3/32" 46T chainring, TA-style. 48T could work as well, but I would prefer a 46T for good gearing with a four-speed sturmey-archer IGH with an 18T cog.

Thanks.

Last edited by Ged117; 01-13-22 at 08:15 PM.
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Old 01-13-22, 05:29 PM
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Originally Posted by Ged117 View Post
Hi folks,

I am using a cottered Williams steel crank for my '51 Wasp, and I want to use longer crank arms, so I've found a new set of crank arms, but these require a 5-pin chainring instead of 3. So I am looking for a 1/8" 46T chainring, TA-style. 48T could work as well, but I would prefer a 46T for my preferred gearing with a four-speed sturmey-archer IGH with an 18T cog.

Thanks.
by 5-pin, do you mean 50.4 BCD? like this?

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Old 01-13-22, 05:54 PM
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Originally Posted by Catnap View Post
by 5-pin, do you mean 50.4 BCD? like this?

Hi Catnap, thanks! Yes, I mean that type.

I'll update the listing.

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Old 01-13-22, 06:31 PM
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I may have a cosmetically challenged steel Williams if that's of interest, can look tomorrow.
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Old 01-13-22, 07:27 PM
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I’ve had a couple of those rings for 1/8” chain, and both were 50t. I’m wondering if smaller will be really rare. That said, shouldn’t have a problem running a 1/8” chain on a 3/32” ring.
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Old 01-13-22, 08:12 PM
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Originally Posted by nlerner View Post
I’ve had a couple of those rings for 1/8” chain, and both were 50t. I’m wondering if smaller will be really rare. That said, shouldn’t have a problem running a 1/8” chain on a 3/32” ring.
That's good to know, Neil - thanks. I'll expand my search!
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Old 01-13-22, 08:15 PM
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Originally Posted by clubman View Post
I may have a cosmetically challenged steel Williams if that's of interest, can look tomorrow.
Cosmetically challenged could work! Thanks.
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Old 01-14-22, 07:34 AM
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Originally Posted by Ged117 View Post
That's good to know, Neil - thanks. I'll expand my search!
If 3/32” is an option then I may also have something. I’ll check today
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Old 01-14-22, 09:08 AM
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I have a very nice 50t available. If you have zero luck with the other sizes and are interested, hit me up. I can help. Cheers!
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Old 01-14-22, 09:17 AM
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Sorry, the only available one I have is an NOS 48 tooth 1/8" without any markings. Looks like a Williams but perhaps a Nicklin?

I'd like $30 cdn plus shipping and will include 5 new square bolts.


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Old 01-14-22, 03:08 PM
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Originally Posted by clubman View Post
Sorry, the only available one I have is an NOS 48 tooth 1/8" without any markings. Looks like a Williams but perhaps a Nicklin?

I'd like $30 cdn plus shipping and will include 5 new square bolts.


Sold, PM inbound. Thanks!

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Old 01-16-22, 09:34 AM
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I have a TA 46 tooth like you wanted:





$40 for the chainring or $50 with the 28T included.
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Old 01-16-22, 01:41 PM
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TA still sells and presumably makes chain wheels that fit your crank arms (and many others) - https://specialites-ta.com/128-pro-5-vis. Velo-Orange also sells outer and inner rings.

Last edited by philbob57; 01-16-22 at 01:46 PM.
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Old 01-16-22, 01:51 PM
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Originally Posted by philbob57 View Post
TA still sells and presumably makes chain wheels that fit your crank arms (and many others) - https://specialites-ta.com/128-pro-5-vis. Velo-Orange also sells outer and inner rings.
I just purchased some new on eBay. Seller is select_cycles in the UK. Not cheap, but a wide variety of sizes,
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