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Old 05-22-09, 01:40 PM   #1
noglider 
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talk to me about threadless headsets

I just got a Surly Cross Check frame and fork. Woohoo! I'm so excited!

I bought a headset for it.

The fork crown race is plastic! WTF?

Where can I find the procedure for installing the headset? Is it pretty much the same as it was when I wasn't an old man? I put in several headsets in, back when I was a young whippersnapper.
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Old 05-22-09, 02:12 PM   #2
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Parktool.com is your friend. And I have never come across a plastic race, but I am just a home mechanic.
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Old 05-22-09, 03:06 PM   #3
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Which headset?
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Old 05-22-09, 03:08 PM   #4
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Ritchey Logic Comp.

Thanks for the link, z415. The procedure looks to be the same.
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Old 05-22-09, 03:23 PM   #5
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The top cap appears to be plastic. The top cap's only function is to allow you to preload the bearings before tightening the stem. After that, you could remove it and it wouldn't make any difference. It is not a load bearing component hence why it's sometimes made of plastic. More expensive headsets use aluminum top caps which are slimmer and look nicer (IMO).

I'm almost certain that the crown race is steel for that headset.
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Old 05-22-09, 03:36 PM   #6
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I'll look again.

Thanks, folks!
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Old 05-22-09, 03:37 PM   #7
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You may have mistaken one of those plastic retainer rings for the race. I'm pretty sure the race has to be metal in a HS.
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Old 05-22-09, 05:11 PM   #8
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Quote:
Originally Posted by z415 View Post
You may have mistaken one of those plastic retainer rings for the race. I'm pretty sure the race has to be metal in a HS.
The new LOOK carbon fiber road forks have the headset crown race built into the fork. That's the only example of a non-metal crown race of which I'm aware. But that is also only meant to be used with cartridge bearings. I've never seen a non-steel crown race meant to be used with a loose ball bearing headset.
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Old 05-22-09, 07:39 PM   #9
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Quote:
Originally Posted by joejack951 View Post
I've never seen a non-steel crown race meant to be used with a loose ball bearing headset.
Perhaps a little obscure these days, but Nylfor made one:

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Old 05-22-09, 08:37 PM   #10
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Cane Creek has this new headset (http://www.canecreek.com/component-headsets?product=aer) with a composite upper bearing.

That Nylfor thing is quite interesting (and certainly obscure) though it doesn't mate a plastic crown race with loose ball bearings. It's all plastic from what I can tell.
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