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PostPosted: Fri Jan 23, 2015 12:05 am 
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Joined: Mon Mar 21, 2011 1:15 pm
Posts: 44
Looking for some info to learn what I need to do to fix my fork and headset.

I am rolling the 2011 R1 (weight weenie delight) and my fork doesn't seem to turn correctly.

This is after a recent fork replacement (same year model, same style, same dimensions, factory original) and the local shop cannot seem to get it right... the top cap must sit so loosely that I can (un)tighten it by hand while I'm sitting in the saddle- I know that's not right, but otherwise if the top cap is tightened sufficiently (~4NM) then it applies too much pressure and makes the fork stiff within the headset and head tube.

What is going on here? It looks like to me that the spacing in the headset is incorrect (b/c a gap of about 1.5mm shows a race between the fork body and the bottom of the top tube... I'll attach a picture later), OR it could be something as simple as the stack on the spacers need to be increased so that the bolt doesn't compress the compression plug so much?

Suggestions much appreciated.
Thx!


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PostPosted: Fri Jan 23, 2015 10:07 am 
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WinSuits wrote:
the spacers need to be increased so that the bolt doesn't compress the compression plug so much?


Can you please explain what you mean by this? Is your top cap touching your compression plug? If so you definitely need some more spacers.

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Posted: Fri Jan 23, 2015 10:07 am 


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PostPosted: Fri Jan 23, 2015 4:11 pm 
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It's not that the top cap is touching the compression plug, but rather (I think) that the top cap is applying too much downward force down through the spacers and onto the stem (in the vertical plane) which is restricting movement of the steer tube.


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PostPosted: Sat Jan 24, 2015 3:30 am 
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Joined: Mon Feb 06, 2006 1:06 am
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What you just described is the very basics of headset adjustment. If your local bike shop can't adjust, find another bike shop

Assuming the bike shop isn't completely incompetent it must be something else. Pics would be helpful.


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PostPosted: Sat Jan 24, 2015 1:11 pm 
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Joined: Mon Mar 21, 2011 1:15 pm
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Thank you for your input. Unfortunately the bike shop is the only shop within 300k.

I can probably fix it, but because it's a new fork and a new headset I believe that the shop ordered the wrong headset and now that its been installed I feel like I am going to have to keep pressing the issue to make them fix the problem without coming out and saying "I think that you ordered and installed the wrong headset."

On the other hand, it might be faster and more convenient to order a new/correct headset and install it myself.


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PostPosted: Sat Jan 24, 2015 4:37 pm 
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Joined: Tue Apr 27, 2010 2:36 am
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Quote:
On the other hand, it might be faster and more convenient to order a new/correct headset and install it myself.

If I were you, that is what I would do. Also, make sure the fork bung is not slipping (use some carbon paste, but don't over tighten to the point where it can damage the steerer).


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PostPosted: Sun Jan 25, 2015 3:00 am 
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Joined: Thu Mar 28, 2013 4:42 pm
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Location: Pa USA
The taper on the hs is likely wrong. Downfall of the multiple standards world in which we exist. Hard to diagnose from afar, with the info provided, and no detailed pix. And I'm a wrench.


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PostPosted: Sun Jan 25, 2015 3:52 am 
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glepore wrote:
The taper on the hs is likely wrong. Downfall of the multiple standards world in which we exist. Hard to diagnose from afar, with the info provided, and no detailed pix. And I'm a wrench.


Your diagnosis sounds promising. I'll check into that. Thank you!!


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Posted: Sun Jan 25, 2015 3:52 am 


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