Originally Posted by
bradtx
RT Metro, My guess is no matter how you re gear the drivetrain, you'll still use two or three of the cassette cogs in normal commuting for your GI preference, though they'll be different gears than what's used now.
+1 If the only reason to change is to spread the wear, you won't spread it as most of your riding is spent in 2 or 3 gears unless you come up with gearing that gives you lots of overlap in the GIs you normally run and intentionally shift just to spread the wear.