Originally Posted by
Homebrew01
Redundancy is probaly the same. You can enter your chainring and cog sizes into an online gear chart if you want to see the specifics.
# 1 - I don't know, but someone here probably does.
# 5 - Don't think so
Yeah, I used
BikeCalc.com - Bicycle Gear Inches Chart to see a change from a low of about 20" to 17.5". And a high of 104.4", or a top speed of about 28 mph (i.e., at 90 rpm). Fully loaded, the only way I could get that much speed is on a pretty steep or long downhill, anyway.