Originally Posted by
RobertMillar84
Ok.. so there seems to be an intriguing split in opinion.. so, bearing in mind I will be cycling over 2 possibly 3 cols a day for over a week, who thinks going from a 28T to a 30T is a complete waste of time and who thinks the marginal gain would help?
I'd reckon it will help, you're talking about dropping your gearing by about 6-7%.
If I were riding the Alps I'd be looking for ways to reduce my gearing any which way I could. I've made it up 20-25% grades in my 30/32 granny combo but even then it was hard work. Don't know what you'll face in the Alps, but even if it's not as steep as the hills I've done I'll bet they are incomparably longer.