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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 April 2nd, 2009, 5:40 PM   #1
thrashin
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Default Cook Bros RSR cranks on a 93 yo!

what size bb will I need?

TIA
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Old April 3rd, 2009, 7:34 AM   #2
DC
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Do not take the following as a guarantee, but a starting point:
I think I used a 113mm, but it has been 15 years and they only lasted 2 months. The only cranks I ever broke, and I weighed about 130lbs then! They are also the coolest looking cranks ever to exist!
I remember they used shorter BB's than other cranks of the day, that was part of their big deal when the RSR's came out.
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Old April 3rd, 2009, 12:26 PM   #3
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I may have mis-spoke above, as I found this chart that shows a 122.5 or 127mm
http://www.bikepro.com/products/bott...omptable.shtml
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Old April 3rd, 2009, 5:21 PM   #4
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I recently had an NOS set of these on my Ted, which pretty much is a Yo replica, and I used a Phil Wood 123mm bottom bracket. Perfect. Also, back in 1996, when I installed some RSRs on my Rhygin, I used a TNT 125mm, though always thought it was a tad too big.
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Old April 4th, 2009, 10:33 PM   #5
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thanks for the reply's! its coming together.... pics soon
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