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Old 08-19-10 | 06:14 AM
  #4  
HillRider
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Joined: Aug 2005
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From: Pittsburgh, PA

Bikes: '96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '20 Surly Midnight Special, All are 3x10. It is hilly around here!

Standard 3/8" machine bolt are threaded 16 tpi for NC series and 24tpi for NF series. Bicycle axles tend to be "none of the above" and have their own proprietary threading, in this case it's likely to be 26tpi.
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