Just a note: you may want to change the gearing. I'm putting a triple on the front of my Cross Comp. 39/48 with a 12-25 rear just isn't cutting it with all the hills I do. YMMV.
__________________
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,Brompton S6L/S2E-X/M6L-X/S12 T Line