Gearing question

dugliss

I don`t really understand the complexities of gearing but I have a 50/36 compact on my bike with a 11-32 cassette. If I was to get a road bike with a 50/34 and 12-25 cassette, roughly how many lower end gears would I be losing compared to what I have?

il_principe

http://software.bareknucklebrigade.com/rabbit.applet.html

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

lardboy

Sheldon is your friend: http://www.sheldonbrown.com/gears/