Bicycle Mechanics: Questions about Bicycle Rear Cassettes

[btfc]

To fully answer this question you need to look at a gearing chart. The answer depends on the size of your front chainrings, and the complete range of the rear cassette. More generally, the 30 tooth sprocket will be helpful if you live in a more hilly area.


http://www.geocities.com/SiliconValley/P...Gears.html

http://home.i1.net/~dwolfe/gerz/howto1.html

http://www.panix.com/~jbarrm/cycal/cycal.30f.html

Check into half-step gearing.