Bicycle Mechanics - chris king hubs w/ Campagnolo

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sr panadero
08-03-12, 07:00 PM
Hello all, I've got a question about my hubset - i just finished building a touring bike with a Chris King rear 135mm hub, Shimano freehub body. The rest of the drivetrain on the bike is Campagnolo. I'm using a JTek shiftmate to try and make the compatibility as perfect as i can get, but after alot of tinkering/derailleur adjustment i just can't get the shifting 100%. It is damn close, but I've still got clicking coming from the rear derailleur in 1st 2nd and 3rd gear. nothing bad but it kind of drives me crazy. Anyway, my question is this - has anyone ever heard of being able to convert a chris king hub and put a campagnolo freehub body on it? I just heard of Tune hubs, and wish I had of gone with them because they make a 135mm rear campy hub. I also see they make a 17mm conversion kit, but am not sure exactly what that does. Does anyone have any experience with any of this? any advice is very much appreciated... thank you

FBinNY
08-03-12, 08:08 PM
I don't use J-teks so can't help you there, but I would have approached your mix/match bike a bit differently. There are a few companies that offer Shimano pattern cassettes with spacing for a Campagnolo derailleur. That's a cleaner solution since nothing need be modified or finagled.

If you can't find one of these crossover cassettes you can make your own with a Sram loose cog cassette, and fudging the spacers to get Campy spacing.
HillRider
08-04-12, 04:08 PM
I'm using a J-tek to match a Shimano 10-speed cassette and rear derailleur with Campy 10-speed Ergo brifters and the shifting is 100%. Are you certain you have the correct Shiftmate model and have the pulley oriented properly?

tomacropod
08-04-12, 08:27 PM
Chris King doesn't make a Campag freehub for their Classic/ISO range of hubs. The new R45 road hubs have a campag option, but do not come in 135mm. However, if they use the standard Classic/ISO non-drive locking cap, you could just get a 135mm conversion cap as a small part.

Mavic and DT Swiss (190/240/340/350) Star Ratchet hubs will also be compatible with a Campag freehub body, regardless of spacing.

It's worth asking them, but there are cassette options available. Miche and BBB come to mind for Shimano-spline, Campag-spaced cassettes.

- Joel (with a full Campag 9 speed, 135mm, disc-brake road bike in the garage)