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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

whats bcd

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Old 03-27-09 | 10:57 PM
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jimmy surly
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whats bcd
i understand the measurement 144mm part but whats bcd is it bike crank diameter
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Old 03-27-09 | 10:59 PM
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It stands for bolt circle diameter, the diameter of the circle formed by stack bolts on a crank set. See Sheldon Brown for more details and applications: https://www.sheldonbrown.com/gloss_bo-z.html#bcd
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Old 03-27-09 | 11:05 PM
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jimmy surly
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thank you for the info
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Old 03-28-09 | 12:02 AM
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cal_gundert05
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I was SO hoping that I could find info about him with a Google search, but no...

EDIT: Did I post this in the wrong thread, or did someone's post get deleted?
Last edited by cal_gundert05; 03-28-09 at 10:54 AM.
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Old 03-28-09 | 01:59 AM
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Old 03-28-09 | 03:26 AM
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Old 03-28-09 | 03:56 AM
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