Old 06-16-09, 11:43 AM
  #19  
USAZorro
Señor Member
 
USAZorro's Avatar
 
Join Date: Oct 2004
Location: Hardy, VA
Posts: 17,926

Bikes: Mostly English - predominantly Raleighs

Mentioned: 70 Post(s)
Tagged: 0 Thread(s)
Quoted: 1492 Post(s)
Liked 1,096 Times in 642 Posts
Originally Posted by Sixty Fiver
Zorro -

Rough calculation...

Crank teeth * wheel diameter / # cog teeth = gear inches.
That sounds a bit flawed actually. The circumference (not diameter) of the wheel is what determines how far your travel in one crank revolution.
__________________
In search of what to search for.
USAZorro is offline