12-25 has a nicer spread with smaller gaps twixt gears and the 34 range overlaps nicely with the 50 range.
12-25 is even nicer with 48T outer, you hardly ever need the 34 except as a bail out. Of course, all of this is highly contingent on how fast you like to go and at what cadence.
12-25 is even nicer with 48T outer, you hardly ever need the 34 except as a bail out. Of course, all of this is highly contingent on how fast you like to go and at what cadence.