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Headset expander fo...
 

[Closed] Headset expander for carbon. Same as aluminium ?

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[#1167615]

I don't like star nuts, I prefer the Hed Doctor.
This FSA one looks the same as Hope, but cheaper.
[url= http://www.chainreactioncycles.com/Models.aspx?ModelID=2218 ]http://www.chainreactioncycles.com/Models.aspx?ModelID=2218[/url]
It says it's for carbon forks though.
Are carbon steerer tubes a different inside diameter to aluminium, or will it fit the same ?


 
Posted : 30/12/2009 11:14 am
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Someone must know. 😕


 
Posted : 30/12/2009 2:52 pm
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Yeh it'll work. I've used a similar one on an ali steerer.


 
Posted : 30/12/2009 2:58 pm
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The one I fished out of my carbon road steerer was a metal wegde assembly like above - just dont over tighten it!


 
Posted : 30/12/2009 3:01 pm
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Thanks Gary.
Foxy, did it then fit in an ali steerer ? Not that I don't beleive Gary, it's just that it's nice to have a second opinion. 🙂


 
Posted : 30/12/2009 3:05 pm
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TBH I am not sure - I took it out but have not tried in my alu steerer as already had a hope head doctor and my new carbon road frame came with a "bung" it certainly wont a be bigger diameter than a std head doctor so you may have to crank it tighter?

What about this:

http://www.chickencycles.co.uk/index.php?cat=4&sub=106


 
Posted : 30/12/2009 3:10 pm
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Carbon steerers tend to be a lot thicker than alloy ones, so it may not tighten sufficiently.


 
Posted : 30/12/2009 3:12 pm
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Why would the one in that link be any different?


 
Posted : 30/12/2009 3:12 pm
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It might be a smaller diameter to better fit thicker steerer tubes.

Not certain, just a possibility.


 
Posted : 30/12/2009 3:13 pm
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or one from parker:

For internal diameters from 23.5 to 25.4 mm

[url= http://www.parker-international.co.uk/6473/Pro-Headset-Expander-Cap-11-8-.html ]Linky[/url]


 
Posted : 30/12/2009 3:14 pm
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Gary I was comparing them as one in the list said fits both alloy and carbon steerers!

Scroll down the list 🙂


 
Posted : 30/12/2009 3:15 pm
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Why do you keep adding links to headset bungs for carbon steerers, the op is using an aluminium steerer.


 
Posted : 30/12/2009 3:17 pm
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Are carbon steerer tubes a different inside diameter to aluminium, or will it fit the same ?

Just trying to find a cheep bung and to answer his question Gary?

i.e. one says : For internal diameters from 23.5 to 25.4 mm

so maybe he can go measure it?


 
Posted : 30/12/2009 3:20 pm
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Fair enough, but the 2 I've used fit ali steeres


 
Posted : 30/12/2009 3:28 pm
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OK Gary - he just wanted another person to say yes before he went for it - I was just trying also to say it should be OK 🙂


 
Posted : 30/12/2009 3:30 pm
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You could always use one of these from USE

[url= http://www.chainreactioncycles.com/Models.aspx?ModelID=2741 ]Ring-Go-Star[/url]


 
Posted : 30/12/2009 3:31 pm
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Suppose he could always send it back. Think I used the one inch M:part one from wiggle.


 
Posted : 30/12/2009 3:33 pm
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Thanks for the replies, looks like it's worth a try then as some expanders fit both carbon and ali, they must all be near enough the same size.


 
Posted : 01/01/2010 9:35 am
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If you want a genuine hed doctor cheap, we've got a few in our workshop, prob do you one for £4 posted.e-mail me if interested.


 
Posted : 01/01/2010 10:35 am
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I've a hed dr type bung from some carbon CX forks - £4 posted if anyone wants it.


 
Posted : 01/01/2010 11:04 am