Thread: Dumb Question??? (what is bcd?)
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Old 12-28-07 | 12:26 AM
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the beef
100% USDA certified
 
Joined: Feb 2006
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From: Seattle -> NYC
Bolt circle diameter.

http://www.hostelshoppe.com/tech_bol...e_diameter.php

"Track" is normally 144. Road and many of the SS cranks you'll see out there these days is typically 130.
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