Thread: Rim sizing: are ETRTO and Effective Diameter/ERD the same?
View Single Post
Old 03-29-10 | 05:39 PM
  #2  
rhenning
Senior Member
 
Joined: Apr 2006
Posts: 3,652
Likes: 109
No ETRTO is the bead seat diameter. ERD is generally a bit smaller. Roger
rhenning is offline  
Reply
0