Originally Posted by Barrettscv

You might consider this http://store.velo-orange.com/index.p...et-34x48t.html

The smaller 34t inner chainring will provide a much greater improvement in climbing range (about 20%) than changing from a 24 to a 28 large cog on the freewheel (a 14% change). You existing derailleurs will work fine with this crankset.