Thread: Is there a bottom bracket cartridge that will work?
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Old 10-09-18 | 06:37 PM
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Narhay
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From: Toronto, ON, Canada
Is it a double or triple? You can measure the bolt circle diameter to determine if it is 110 or 144.

For a double, 3p would need a 122mm modern symmetrical bottom bracket, 3s would need a 127mm. Old spindles were shorter on the non drive side (asymmetrical). If you have a triple it very well may be a 3U and a 133 symmetrical bottom bracket.

https://www.sheldonbrown.com/bbsize.html

BB Length (110 BCD) = "3P"
BB Length (144 BCD) = "3S"

VeloBase.com - Component: Sakae/Ringyo (SR) SA
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