Originally Posted by
rpenmanparker
OP, if you get your normal cadence up to 95 or so, 120 won't be such a problem. The higher normal cadence will help preserve your knees, facilitate climbing and also broaden your range to accommodate the occasional need for high spin rate. Before the advent of 11 and even 12 tooth cogs, the ability to spin at 120 to reach higher speeds was more common.
I've been working on trying to raise my cadence. It *was* 60-65 a little while ago. My problem is I have pretty strong legs, but my CV system sucks wind.