Originally Posted by
Andrew R Stewart
By the grime/rust on the der I suspect that the mounting bolt/pivot has frozen in place. Can the der freely pivot on this bolt? I just did an upper pivot bolt R&R and found a lot of salt induced corrosion on it. So much so that the spring had also frozen into it's tang hole in the upper knuckle (that's the upper part of the der body). Andy.
A look at what presumably are stainless steel spokes would give a clue as to how this bike is kept clean, or not.