I have an old Battaglin road bike from 1997 that I want to convert to a single speed. My issue is; what conversion kit to buy? The rear hub spline (not sure this is the correct term) has a 4x4 millimeter. I bought a kit on ebay, turns out it doesn't fit and I am guessing it's because the campagnolo free hub uses different dimensions.
here is the item I bought on ebay http://www.ebay.com/itm/Single-Speed-Conversion-and-Cogs-16T-and-18T-8-9-and-10-Speed-Freehub-Body-SS-/251897565819?nma=true&si=3cfysRTM4ElBxkenIFNdiTV97UE%253D&orig_cvip=true&rt=nc&_trksid=p2047675.l2557