Originally Posted by HereNT
I thought the sugestion for spacers was between the cog and the tracknuts/dropout. That's where I've always put mine... I also keep the cog on with the wide side in - my chain would rub up against the hub if I had it the other way...
No, the spacing of the hub to dropout is fine. The problem is that the track cog and SS freewheel are not symmetrical on the flip-flop hub with respect to centerline of the hub. The track cog sits 3mm more inward. I can space it out with BB spacers to make things symmetrical.