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Need help finding new jockey wheels for derailleur

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Need help finding new jockey wheels for derailleur

Old 07-08-21, 10:36 AM
  #26  
SurferRosa
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Originally Posted by smontanaro View Post
Don't SunTour and Campy have different diameter pulley bolts (6mm v 5mm)?
I don't do it, but I thought people used Suntour wheels in their Campy derailleurs.
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Old 07-08-21, 10:43 AM
  #27  
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Originally Posted by the sci guy View Post
Now I just need to figure out how to take that part of the derailleur apart!
Remove the bottom jockey wheel first, then simply unscrew the back plate. I don't recall what a 600 looks like, but it is straight forward. Mind how the parts go together.
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Old 07-08-21, 11:12 AM
  #28  
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Originally Posted by SurferRosa View Post
I don't do it, but I thought people used Suntour wheels in their Campy derailleurs.
It's surely doable, but the reverse isn't, and while you can put SunTour wheels on Campy derailleurs, they are going to be a bit sloppy (similar to my experience with Bullseye pulleys on Campy derailleurs in the 70s).
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Old 07-16-21, 07:47 PM
  #29  
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Purple Chasertech 10t jockey wheels: installed


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Old 07-16-21, 11:22 PM
  #30  
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Originally Posted by the sci guy View Post
Purple Chasertech 10t jockey wheels: installed


Do they come with bushings to fit the larger Simplex/SunTour pulley bolts or are they restricted to the smaller Campy/Shimano size?
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Old 07-17-21, 12:29 AM
  #31  
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Originally Posted by smontanaro View Post
Do they come with bushings to fit the larger Simplex/SunTour pulley bolts or are they restricted to the smaller Campy/Shimano size?
I didnít measure the diameter of the bolt openings but I needed to use the bolt spacer that came with them to make the opening smaller so the screw fit. So it could be that the default larger opening will meet your needs. Check the description on their website it might say.
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Old 07-17-21, 01:52 AM
  #32  
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Reminds me, those Tacx pulleys did include spare bushings to accommodate most derailleurs.
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Old 08-05-21, 11:16 AM
  #33  
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Originally Posted by Mad Honk View Post
zandoval,
I don't get it. The Chaser tech are $16 per set and work quite nicely. I use them on every Campy rear derailleur that I work on. Sealed bearings, and the right size, with the correct inner bearing spacers, What is not to like. The worst part may be that the spacers are too thick and need a few cuts with a file to get a good fit in the chain cage. Do I need to post a picture to show the way it works. Please don't tell me I need to do it for the current generation who doesn't read well. Smiles, MH

I have been thinking I needed to change the jockey wheels out on the Super Record mounted on my Colnago. I was stumped on the best option. I had been debating pulling the trigger on a number of options I saw on line, but never did since I was worried about compatibility. Then I read Madhonk's recomendation and decided to give it a try. I put them on a week ago and have done a couple of rides. Wow! Huge improvement. I was fighting a lot of drive train noise and now I know it was all coming from the Suntour jockey wheels that were on the bike when I bought it.

As always, there's a lot of great advice on this site.

Thanks for posting the recommendation Madhonk.

Mike
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