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 Post subject: Hub maintenance
PostPosted: Tue Jan 05, 2010 12:02 pm 
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Joined: Mon Aug 20, 2007 7:24 pm
Posts: 335
Hi,

After 1,5 years, my rear hub of my Easton EA90 Aero is getting a little 'rough'. The front is still find, but maybe it's time to service the bearings. Could you help me on this one? I all ready took the end caps of, but the bearings are still in the hub.

Thanks in advance

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 Post subject: Re: Hub maintenance
PostPosted: Tue Jan 05, 2010 1:16 pm 
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Joined: Mon Jan 23, 2006 3:03 pm
Posts: 1305
Location: Denmark
Check this. It should answer all your questions 8)

http://www.eastonbike.com/TECHNICAL/tec ... rvice.html

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 Post subject: Re: Hub maintenance
Posted: Tue Jan 05, 2010 1:16 pm 


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 Post subject: Re: Hub maintenance
PostPosted: Tue Jan 05, 2010 1:19 pm 
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Joined: Mon Aug 20, 2007 7:24 pm
Posts: 335
I know that web page. But, do i need to remove the bearings out of the hub? Can't i lube the bearings while they are still mounted? I don't have the material to disassemble and reassemble the bearings.

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 Post subject: Re: Hub maintenance
PostPosted: Tue Jan 05, 2010 1:32 pm 
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Joined: Fri May 25, 2007 6:43 pm
Posts: 2033
Trip to your LBS then, lubing worn out cartridge bearings is a waste of time, they'll be rough again in days or weeks (depending how much you use them)

The only real way to "service" them is to pop them out and replace them.


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 Post subject: Re: Hub maintenance
PostPosted: Tue Jan 05, 2010 1:42 pm 
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Location: Center of the Universe
Try cleaning and lubing the pawls inside the freehub first.

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 Post subject: Re: Hub maintenance
PostPosted: Tue Jan 05, 2010 1:48 pm 
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Joined: Mon Aug 20, 2007 7:24 pm
Posts: 335
All ready done that.
There is just a tiny little roughness in 1 of the cartridge bearings of the wheal itself. So i don't think the bearings are completely worn out.

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 Post subject: Re: Hub maintenance
PostPosted: Tue Jan 05, 2010 2:28 pm 
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Location: Leg hurty
Stockie, if you have even a tiny bit of roughness in a cartridge bearing you'll need to replace it.
It's not rough because it has no lube, it's because either the race is pitted with oxidation or the balls are rusty and lost their chrome plating.
Either way, you won't improve it by lubing alone. :wink:

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 Post subject: Re: Hub maintenance
PostPosted: Tue Jan 05, 2010 3:24 pm 
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The balls are not chrome plated, but yes, they could get rusted and rough if you ride in the wet.


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 Post subject: Re: Hub maintenance
PostPosted: Tue Jan 05, 2010 3:31 pm 
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Joined: Mon Aug 20, 2007 7:24 pm
Posts: 335
ok,
I'll let my LBS check them out. If they need replacement, do you guys know what the Easton bearings cost?
And is it any better to install hybrid ceramic bearings, or is that extra money for nothing?

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 Post subject: Re: Hub maintenance
PostPosted: Tue Jan 05, 2010 3:42 pm 
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Stockie, clean your bearings after you've removed the dustcaps, and read the number that's written on the seal (you may need a magnifying glass or outdoor light) it'll be something like 6000 2RS or something like that, these numbers correspond the the dimensions and seal type.
Go to VRX bearings and put the number in the bearing search box and it'll give you a selection of different bearings at different price points from full ceramics to hybrids to stainless steel to standards.
Just be sure to get the ones that are sealed on both sides....that's what the 2RS in the code stand for.
It'll be loads cheaper than sourcing them from Easton and much easier as VRX ship globally and only take a few days to europe.
Hope this helps, Rob. :thumbup:

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 Post subject: Re: Hub maintenance
PostPosted: Tue Jan 05, 2010 4:00 pm 
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Joined: Mon Aug 20, 2007 7:24 pm
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Thanks for the advice.
If i reassamble them, should i put grease om some specific places? (axle,...) If so, what type of grease?

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 Post subject: Re: Hub maintenance
PostPosted: Wed Jan 06, 2010 9:54 am 
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Joined: Sat Jun 02, 2007 1:10 am
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Location: Melbourne, Australia
Try what ever your bike shop has for repacking shimano or campy hubs.

But other have said if the bearing is already feeling rough then there is already damage internally. Had you lifted the seal and replaced the grease earilier you could have got more life out of them. That said if it is a full contact seal then the seals might be too tight to lift with a nail file etc and you'll damage them, and the bearing will leach grease out/dirt in and the bearing will soon die anyway.
I highly recommend doing this for people who have hybrid bearings and ride in harsher conditions as the seals are low friction seals and not as tight and as a result the grease suffers more.


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 Post subject: Re: Hub maintenance
PostPosted: Thu Jan 07, 2010 10:46 pm 
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Location: Sydney, Australia
legs 11 wrote:
Stockie, clean your bearings after you've removed the dustcaps, and read the number that's written on the seal (you may need a magnifying glass or outdoor light) it'll be something like 6000 2RS or something like that, these numbers correspond the the dimensions and seal type.
Go to VRX bearings and put the number in the bearing search box and it'll give you a selection of different bearings at different price points from full ceramics to hybrids to stainless steel to standards.
Just be sure to get the ones that are sealed on both sides....that's what the 2RS in the code stand for.
It'll be loads cheaper than sourcing them from Easton and much easier as VRX ship globally and only take a few days to europe.
Hope this helps, Rob. :thumbup:


Good post, do what legs says.

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 Post subject: Re: Hub maintenance
PostPosted: Fri Jan 08, 2010 10:10 pm 
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Joined: Wed Feb 20, 2008 11:20 pm
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Which is why you need lube to waterproof the bearings from the outset.

As has been pointed out, a replacement bearingset will be required.


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 Post subject: Re: Hub maintenance
PostPosted: Sat Jan 09, 2010 5:11 pm 
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Joined: Fri Sep 26, 2008 5:37 pm
Posts: 46
Can somebody provide a link to a supplier of VRX bearings. I've done a Google search and I'm coming up with nothing.

Thanks,

Never mind. I believe the correct brand is VXB bearings. Correct me if I'm wrong.


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 Post subject: Re: Hub maintenance
Posted: Sat Jan 09, 2010 5:11 pm 


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