How do you compute the speed of a road bike based on gear ratio?

[JCNS]

for a gear ratio of 50'x15 at 60 rpm cadence,how fast would the bike run

 

[wleņ|ãmmmmmmmmmmm]

http://www.google.com/search?q=sheldon+calculator++gear&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-USfficial&client=firefox-a


Sheldon Brown's Bicycle Gear Calculator
- 10 visits - May 7
A JavaScript calculator for analyzing bicycle gearing.
www.sheldonbrown.com/gears


wle