Originally Posted by
jonwvara
I may have mentioned this before, but the best gear calculator I have found is this one:
Bicycle Gear Calculator
Very easy to use and gives a nice visual representation of all the possible combinations.
That's pretty cool, and 'seeing' the relationships between the ratios is very illustrative! I also like
this one, mainly because it lets you compare two setups side-by-side.
*edit- Aha, I just noticed you can compare 2 setups in the gear-calculator.com one, too!