Originally Posted by pastorbobnlnh

Just a quick tidbit of information on the Suntour 6 speed Perfect: The body came in two versions. Either regular spaced for 126mm rear dropouts or Ultra, or narrow spaced, for 120mm rear spacing. If you have the narrow version, it is just a mm or two taller than a 5 speed freewheel. If you do have the Ultra version, I recommend a SRAM or KMC 8 speed (even a 9 speed works well) chain for best shifting.