Originally Posted by
BikePower
Id like to give my bike a little more top end. Currently have stock 46/14 for 3.29:1 ratio. 46/12 would give me 3.83:1
...if more top end is your ambition, many people would just put a bigger chainwheel in the large position. That's probably how I would approach it. 46 is pretty small for a chainwheel in the big spot.