So with a 103 bb the outer ring should be at 42 then. I think thats right isn't it? 46m outer on a 107. No, poo pah! Doesn't that give me a 44mm chainline?
My calc...107 gives the outer ring a CL of 46 (Sheldon)
103 - ?2mm shorter on each end as they're symmetrical - would be 44? No?
So with a 103 bb the outer ring should be at 42 then. I think thats right isn't it? 46m outer on a 107. No, poo pah! Doesn't that give me a 44mm chainline?
My calc...107 gives the outer ring a CL of 46 (Sheldon)