Originally Posted by
John E
Assuming a (very common) 130mm BCD (or 128 for Nervar), your spider can accommodate 38T, reducing your lower-gear ratios by 5 percent. Good start.
So finding a 38T 'ring to fit my Stronglight cranks you suggest might just be possible? Hmmm, I can see the advantage in that once I locate one if the price isn't prohibitive; affects everything in back with one change in front.
Originally Posted by
John E
You mentioned gear-inches, which I find a very convenient way to describe bicycle gear ratios with wheel sizes, i.e., overall cadence and climbing effort.
I need to get into that a bit more. I agree it's a very convenient way to compare all the variables involved at a glance.