telecasterfool
ArboristSite Member
Be careful - I don't know of any rim sprocket that is 3/8 Lopro (picco) Maybe someone knows better. 3/8 Lopro should be a spur drive. Rim sprockets can be 3/8 or .325, and can be 7 tooth, 8 tooth, or 9 tooth. There are also 3 different inner spline sizes - just to make things more complicated.