Join Date: Nov 2004
Bikes: 05 Lemond Poprad, 11 Jamis Dragon Race 29er, Surly LHT
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My Lemond Poprad came with a 46/36 front combo and an 12-25 rear cassette (9 speed). I've been reasonably happy with that setup for offroad use (mostly fireroad) and hill climbing, but when I started using the bike as more of a road bike, I started to have second thoughts.
I got a road wheelset, and that also has an 12-25 cassette. It's a pretty good setup for big climbing days, but I'm staying in the big ring for much of it. But on the flats, 46-12 isn't quite enough.
So question -- should I go to a 48 big ring, or switch out the road cassette to an 11-23 (which a friend gave me)? Which would be a more dramatic change? For all I know these changes would be equal. I'm no mathematician.