The Sirrus has a straight blade alloy fork,the 7.2 has a straight blade steel fork. The Trek's fork will give a better ride,even if it had the same tires as the Spec. Additionally,the Trek's 8spd drivetrain will last a little longer and be parts will be a little cheaper to replace.
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C'dale BBU('05 and '09)/Super Six/Hooligan8and 3,Kona Dew Deluxe,Novara Buzz/Safari,Surly Big Dummy,Marin Pt Reyes,Giant Defy 1,Schwinn DBX SuperSport,Dahon Speed Pro TT,Brompton S6L/S2E-X
