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Old 10-16-10, 07:55 PM
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PedallingATX
Comanche Racing
 
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Join Date: Feb 2009
Location: Deep in the heart of Texas
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Bikes: Presto NJS build, Specialized Allez Pro w/ full Dura Ace and Ksyrium SLs, 1990something Specialized Sirrus

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it's probably just non-butted 4130...which would be comparable to 520
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