Joined: Oct 2009
Posts: 414
Likes: 1
From: Loves Park, Illinois
Bikes: 1897 Crescent Tandem, 1904 Rambler shaft drive, 1921 Schwinn Henderson, 1958 Schwinn Tiger, 1973 Raleigh International, 1982 Trek 420, 2010 Trek 720
Trek 600s are great bikes. You could go with a 28 tooth on the rear and if that doesn't get you where you need to be you can go with smaller front chain rings.