Thread: Determining gear ratio?What's the formula?
View Single Post
Old 12-15-03, 07:35 PM
  #2  
Stubacca
Senior Member
 
Stubacca's Avatar
 
Join Date: Aug 2003
Location: Oztraylya
Posts: 2,677

Bikes: '03 Fuji Roubaix Pro; '03 KleinGi Attitude; '06 Soma Rush; '04 Surly Cross-Check; '06 Soma Rush; '07 Scott CR1 / Chorus

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
Likes: 0
Liked 0 Times in 0 Posts
Originally Posted by Limba
Is it divide the chainring by the cog then multiply by 27?
Sort of.

Gear Inches = (Chain Ring / Free Wheel) * Wheel Diameter (including tire) in inches
__________________
Last edited by booyah; 12-16-03 at 09:36 AM.
Stubacca is offline  
Reply