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Old 2007-01-03, 06:08 AM   #1
president_luke
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Is the Kh moment hub powder-coated?

I sure hope its not. Damn blue-ness.
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Old 2007-01-03, 07:29 AM   #2
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It's anodised.
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Old 2007-01-03, 07:30 AM   #3
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even worse.
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Old 2007-01-03, 07:38 AM   #4
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Quote:
Originally Posted by president_luke
even worse.
Not really, its easier to paint over.
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Old 2007-01-03, 07:53 AM   #5
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oh cool. I was gonna strip the paint first but i wont anymore.

I don't want to start a new thread, but are the flange dimensions on the new hub close enough to the kh/onza hub to use the same length spokes?
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Old 2007-01-03, 11:57 AM   #6
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Anodising is a coating proces that only applies to aluminium, due to the way it forms an oxide layer due to its high reactivity. The hub is not aluminium, it's 4130 CrMo, and therefore it isn't anodised (but incidently the frame is). I would guess, but Im not sure, that it is powder coated, but it certainly isn't anodisied.

Use the UDC spoke calculator to find the spoke length for the two setups you're considering, and see how close the spoke lengths are. Within a couple of mm you can use the same spokes, otherwise you'll have to get new ones.
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Old 2007-01-03, 12:17 PM   #7
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Quote:
Originally Posted by kington99
Use the UDC spoke calculator to find the spoke length for the two setups you're considering, and see how close the spoke lengths are. Within a couple of mm you can use the same spokes, otherwise you'll have to get new ones.
The moment hub's not on there.
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Old 2007-01-03, 12:31 PM   #8
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Quote:
Originally Posted by president_luke
The moment hub's not on there.
damn!
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Old 2007-01-03, 12:54 PM   #9
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http://www.unicycle.uk.com/hubcomparatorisis.html lists it as 75mm wide, 56mm diameter, and the 2005 one as 68mm, 56mm. If that's true, it'll only make a tiny difference to the spoke length and you should be able to reuse the spokes.

Joe
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Old 2007-01-03, 01:11 PM   #10
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Quote:
Originally Posted by joemarshall
http://www.unicycle.uk.com/hubcomparatorisis.html lists it as 75mm wide, 56mm diameter, and the 2005 one as 68mm, 56mm. If that's true, it'll only make a tiny difference to the spoke length and you should be able to reuse the spokes.

Joe
Thanks.
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Old 2007-01-03, 01:22 PM   #11
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Quote:
Originally Posted by kington99
Anodising is a coating proces that only applies to aluminium, due to the way it forms an oxide layer due to its high reactivity. The hub is not aluminium, it's 4130 CrMo, and therefore it isn't anodised (but incidently the frame is). I would guess, but Im not sure, that it is powder coated, but it certainly isn't anodisied.
It is powder-coated.

You can actually anodise other materials, Titanium being the other popular one. Although anodising steels don't work very well it can be done (the processing I don't think is then called anodising). From what I understand it is not for the colour properties but for other reasons... surface hardening? sorry this is the extent of my knowledge and memory to remember more than that. I am sure someone will give us a full explanation. :-)

Roger
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Old 2007-01-03, 02:53 PM   #12
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Quote:
Originally Posted by joemarshall
http://www.unicycle.uk.com/hubcomparatorisis.html lists it as 75mm wide, 56mm diameter, and the 2005 one as 68mm, 56mm. If that's true, it'll only make a tiny difference to the spoke length and you should be able to reuse the spokes.

Joe
When I was upgrading (the exact same parts) I was told by Roger that I could reuse the spokes, but it would be stronger to just buy new ones. If you have black spokes I say you should change them to silver. Silver spokes kick black spokes arse's.

Mike

[EDIT] Maybe Roger was just trying to get me to buy more stuff...
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Old 2007-01-03, 03:04 PM   #13
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may be. :-P

There are a couple of reasons for new spokes, they are stronger as they are not already stressed and they also make the wheel building easier.

Note we now have 13g KH spokes in stock! these are great.

Roger
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Old 2007-01-03, 07:21 PM   #14
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My bad Luke when I looked at it, it looked kind of metalic and such a thin layer I didn't think it could be powdercoated but I guess I'm wrong.

I guess you learn something new every day.
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Old 2007-01-06, 08:33 AM   #15
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the kh moment hub is alloy.....
the spindle is cro-mo....
why would they make a hub that is chromoly? you dont need the strength of chromoly in a hub and chromoly is heavier so it would be wasted weight, thats why the hub is alloy and seeing it is alloy then why powdercoat it when anadizing looks better and lasts longer?

put simply, hub is alloy and is most likeley anodized.

dont give me any $#!T about 'oh but udc says it is chromoly" because udc is talkin about the spindle as that is what is of most concern and most unicyclists refer to the hub as the hub plus spindle whereas bikers for instance dont refer to the two parts as one but as seperate parts which they are.

bye bye
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