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Shimano Ultegra hub feels rough

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Shimano Ultegra hub feels rough

Old 03-27-20, 08:29 AM
  #1  
tammons
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Shimano Ultegra hub feels rough

I bought a new front hub, but when I spin it by hand it feels a bit rough.
Its almost like the cones are too tight.
Is this normal?
Out of the box, I would expect it to be super smooth.
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Old 03-27-20, 08:34 AM
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If you think that the cones are too tight, they probably are. There isn't much scope between "too loose" "just right" and "too tight".

Lots of guys think they need to add a little bit of grease to brand new hubs too.
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Old 03-27-20, 08:35 AM
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Cones could be too tight. If it has sat on the shelf a long time solvents can evaporate out of the grease and it can become thick or hard. It would take some time though. Is it an older model?

Either way if you have the tools it is easy to either back off the cones or remove one to see if the grease is good.
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Old 03-27-20, 08:41 AM
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Not sure if its an old hub.
Its this one.
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

When I first turned it over it had a couple of rough spots. Like it had grit inside, but that went away.
So, maybe the grease is bad.
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Old 03-27-20, 08:45 AM
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Your link is to a 105 hub.
Always, always, always regrease and adjust new hubs. THEY ARE ALWAYS TOO TIGHT.
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Old 03-27-20, 09:30 AM
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Originally Posted by trailangel View Post
Your link is to a 105 hub.
Always, always, always regrease and adjust new hubs. THEY ARE ALWAYS TOO TIGHT.
+1 and also the other posters who mentioned this. Proper way to tighten axle nuts is to have just the slightest play that you can detect in the bearings. Install the wheel in the bike with the quick release clamped then feel for play. If there is no play you're all set. Sometimes it takes several tries of re-setting the races/locknuts but be patient and with some experience it gets easier.

Last edited by Crankycrank; 03-27-20 at 09:34 AM.
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Old 03-27-20, 09:53 AM
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I recently purchased a set of pedals that were the same way. The bearings feel like they're packed with sand instead of grease. Going to pull apart, re-grease, and adjust bearings today. Good luck with your hub. Hope that works for you.
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Old 03-27-20, 10:15 AM
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Originally Posted by trailangel View Post
Your link is to a 105 hub.
Always, always, always regrease and adjust new hubs. THEY ARE ALWAYS TOO TIGHT.
+1 too tight and not enough grease, hubs and pedals, both.
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Old 03-27-20, 10:32 AM
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Originally Posted by Bigbus View Post
I recently purchased a set of pedals that were the same way. The bearings feel like they're packed with sand instead of grease. Going to pull apart, re-grease, and adjust bearings today. Good luck with your hub. Hope that works for you.
Make sure that there is a little drag that indicates preload in the bearings.
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Old 03-27-20, 10:34 AM
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When you build up a wheel with this hub adjust the bearings with a small amount of play that goes away when you close the QR.
With shimano hubs I don't worry about the grease. The factory puts in enough.





qr.
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Old 03-27-20, 03:59 PM
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Originally Posted by dsbrantjr View Post
+1 too tight and not enough grease, hubs and pedals, both.
Yep. I pulled the lock nut off and pulled the shaft out. The very small amount of grease was very stiff and tacky. I cleaned everything and repacked with my own grease and readjusted the pre-load and now they feel like a real new set of pedals. Of course it's been so long since I purchased them and threw them angrily them into my parts tub that I've already remedied the pedals on my mountain bike and probably won't need these for another long while. But at least they're ready and waiting.

To Tammons, (OP) I hope your hub works out as well or better than my pedals and sorry about jumping into your thread.
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