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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

  • Which kit did you buy? Specifically, what parts came with it? – JamesG May 5 '15 at 17:24
  • spacers as well as a single cog – kristian nissen May 5 '15 at 17:33
  • okay, that makes sense. I don't have personal experience with Campy but the freehub bodies do have different splines. This looks like it would work for you. Alternatively, you could keep the existing cassette on the frame and just shorten the chain. Definitely not as clean and you may not get the gear ratio you want...but it's an option. – JamesG May 5 '15 at 17:46
  • keeping the cassette is not an option, not anymore :) butt he gusset you link to looks like a match, thanks – kristian nissen May 5 '15 at 17:51
  • Campagnolo changed their splines between 8 and 9 speed cassettes, so check which one you have. The Gusset kit is compatible with 9-11-speed one, because 8-speed hasn't been available since early 2000s. – ojs May 5 '15 at 18:05

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