R/C Tech Forums - View Single Post - Tightening up the front end...
View Single Post
Old 08-05-2013, 11:56 AM
  #4  
StapledTiger
Tech Initiate
 
Join Date: Jul 2013
Posts: 28
Default

What size RPM ball cups would i need? I see a 4-40 and a 3.5mm.
StapledTiger is offline