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Old 01-23-12, 10:54 PM
  #9  
jimblairo
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Join Date: Oct 2004
Location: Montreal, Quebec
Posts: 947

Bikes: Litespeed Ultimate 2006, Litespeed Pisgah , Specialized Roubaix 2008, Trek Madone 2011

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I have Schwalbe Ice Spiker Pro 26" with 361 studs per tire. On hard packed snow I run at 50psi but on the frozen river with bare ice I drop down to 30psi. Awsome grip.
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