Originally Posted by
Duragrouch
Uhh... you sure about that? Granted, SA 3s, even Brompton Wide Ratio (BWR), don't have enough range for my local hills. But I think the steps are still larger than 52/42, which is 24% up. SA model AW is 0.75/1/1.33 which is 33% up 1-2 and 33% up 2-3 shifts. (Do I have that right?)
Now a 50/34, which I love, is a 47% upshift. Best thing ever, when you can't fit a triple.
If you simply look at the gear chart, you will see the steps do not work the way you're suggesting.