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The Norcross SL claims clearance for tires up to 38mm wide. Brunner's 33mm tires avoided having mud pack up. Eric Brunner's 2019 U23 National Championships Blue Norcross Team Edition. © A. Yee / Cyclocross Magazine

The Norcross SL claims clearance for tires up to 38mm wide. Brunner’s 33mm tires avoided having mud pack up. Eric Brunner’s 2019 U23 National Championships Blue Norcross Team Edition. © A. Yee / Cyclocross Magazine