Old 02-10-07, 06:43 PM
  #18  
Michel Gagnon
Year-round cyclist
 
Join Date: Apr 2002
Location: Montréal (Québec)
Posts: 3,023
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
Likes: 0
Liked 2 Times in 2 Posts
I do it the cheap way, with a ruler.
Visit Sheldon Brown's chain page towards the end.
Michel Gagnon is offline