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Builder's Corner Restoration and preservation. Keep them running in perfect shape. What size is your bottom bracket?

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Old May 2nd, 2015, 6:38 PM   #1
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Default Bottom Bracket Spindle Collars

Greetings All,

I'm sure this is a familiar theme. I have a 1986 Wicked Fat Chance, and as with many others one of the aluminum bottom bracket spindle collars has cracked. I had seen in a post several years ago that Rody Walter at Groovy Cycle Works sold replacement collars. Unfortunately, this is no longer the case. He suggested that I contact Chris Chance at the new Fat Chance website, and the support folks there suggested that I ask in one of the user groups :-/

Are there any sources of replacement collars or suitable substitutes?

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Old May 11th, 2015, 11:31 AM   #2
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I'm not aware of any alternatives, although it's a really simple part. I wonder if Rody would be willing to share the measurements? I'm sure a machine shop could crank these out at a reasonable price if we wanted to do a run.

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Old May 11th, 2015, 12:16 PM   #3
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Have you got a picture of one?
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Old May 12th, 2015, 9:20 AM   #4
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The collar on my non-drive-side just split too. Bummer they are NLA.

However, back in the day, Cooks Bros used to offer BB's with a similar smooth spindle and collars. The cool set-up was to stack spacers on the drive-side, and use only one collar on the non-drive side. For the "factory" set-up, you would measure the non-drive-side spacing (as accurately as possible), then fit a spacer stack in place of the remaining collar. Viola - perfectly set-up, no-collar BB!

Last edited by one piece crank; May 12th, 2015 at 10:20 AM.
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Old May 12th, 2015, 6:51 PM   #5
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Not OEM and you'd have to verify the dimensions but... this
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Old May 13th, 2015, 6:41 AM   #6
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For those looking for replacement collars, these are a higher quality than the originals and what we used at Grove for the original Hot Rods.

Sized to fit the Fat spindles:



check it out... www.groovycycleworks.com and www.groovycycleworks.blogspot.com !
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