Fast, easy and best way to shim your wheel!

[MuniAddict]

I'd been using sidewall strips from alum. cans to use as shimming
material for centering the wheel on my 36er. It was a bit tedious,
especially since I had to use about 4 strips, which I then had to bend,
and stack each shim on eachother and then get them to stay put in the
bearing holders while I put the wheel on.

So today I needed to shim my KH muni since the wheel was slightly off
to one side. I then remembered that I have a roll of Aluminum Tape! So
I cut three strips, approx. 2" x .5", then peeled off the backing and
stuck all three together, then peeled the bottom one and stuck it to
the inside arch of the frame bearing holders. Works great and it's _so_
much easier and faster than the coke can thing!:D


+-------------------------------------------------------------------+
|Filename: tape.jpg |
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[scuicho]

what is shimimg?


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[onelesscar]

Adding thin strips of metal between the bearings and the bearing holders
to recenter the wheel in the frame. It compensates for the frame not
having two legs of equal length.


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[dudewithasock]

So it's like a short-cut way of truing the wheel?


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[tholub]

dudewithasock wrote:
> So it's like a short-cut way of truing the wheel?



No, shimming is what you do when the frame is out of whack, not the
wheel. Shims can also be used if your seat post is too narrow (though
I don't know if aluminum tape would hold up to that use), or to better
fit your seat base to your seat post.


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[BYZA]

well terry, are you sure your wheel isnt just off centre? seeing it was
just re built...

good idea though


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BYZA

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[kington99]

BYZA wrote:
> well terry, are you sure your wheel isnt just off centre? seeing it was
> just re built...
>
> good idea though



You can tell very easily, if you turn the wheel around in the frame and
it still leans the same way then the frame is to blame, if it changes
which way it leans then it's the wheel. Terry no doubt knows this.


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[thejdw]

nice idea, I've heard rubber can also be used


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kington99 wrote:
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[MuniAddict]

BYZA wrote:
> well terry, are you sure your wheel isnt just off centre? seeing it was
> just re built...
>
> good idea though

No it was slightly off-center before, but with the larger rim and less
clearance, it just became more noticeable.:) As for the wheel build,
it's top notch; If the spokes were invisible, you couldn't even tell
the wheel was spinning because it's so perfectly true! :)


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[Evan Byrne]

MuniAddict wrote:
> No it was slightly off-center before, but with the larger rim and less
> clearance, it just became more noticeable.:) As for the wheel build,
> it's top notch; If the spokes were invisible, you couldn't even tell
> the wheel was spinning because it's so perfectly true! :)





You can have a straight, dished wheel though.


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[MuniAddict]

Evan Byrne wrote:
> You can have a straight, dished wheel though.

The wheel is perfectly dished, I.E "accurately centered", it's the frame
that was s little off, which seems to be pretty common, hence, the
shimming every now and then.


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[Evan Byrne]

MuniAddict wrote:
> The wheel is perfectly dished, I.E "accurately centered", it's the frame
> that was s little off, which seems to be pretty common, hence, the
> shimming every now and then.




Sounds good. I would use something a little thicker than that aluminum
sheet though. The shims i have seen at a little thicker than a
quarter.


Wanna ride urban sometime?


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[MuniAddict]

MuniAddict wrote:
> The wheel is perfectly dished, I.E "accurately centered", it's the frame
> that was s little off, which seems to be pretty common, hence, the
> shimming every now and then.

Edit to my above post:

I just called the wheelbuilder and he told me that unless the axle is
slightly off center, (could it be from all the high drops?) then he's
sure the wheel was dished correctly. He also agrees that the frame
could be slightly off on one side as well. He told me to try the
following to check for proper dishing:

Reversing the wheel in the frame. If the rim walls land in the same
relative position relative to the frame, then [he says] the wheel is
dished correctly. (This is what I did to check my 36'er for proper
dishing and it turned out to be the frame)

The rim is only about 2mm closer on one side than the other, so it is
very slight, and as I said more noticeable since changing to the *much*
wider rim, making the clearance between the tire and the rim much less.
(I hate being such a perfectionist!)

So I'm going to try the reversing method now to make sure.:D


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[gerblefranklin]

Psh. High drops won't do squat to move an axle offcenter. I'm not
especially familiar with the new KH hubs, but if they're anything like
Onza and Profile, you just have to be an idiot when tightening your
cranks to send the axle offcenter. Then again, with the ISIS spline, I
think that would be impossible. The only answer is that the axle could
be off out of the factory.


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[BYZA]

makeing the clearance betwene the tire and the rim much less hey terry?
that sounds a bit strange to me :D

kington, if terry is now going to check useing the reverse wheel method
then he obviously was not 'sure' that the wheel was not just slightly
off centre. and i am aware that terry probably does know about the
reverseing method but i was asking if he was sure it was the frame,
turns out he didnt even check, so it could very well be the wheel and
not the frame, i am not saying the wheel builder would have done a
dodgey job though, but it pays to check.
and notice i asked terry the question... so **** off and let him answer
it

so what are the results terry, is it the frame or the wheel?


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BYZA

improving each day revs r cool, i say rev it up!
CRANKFLIP CHAMPION!! 1st place )---'O, Crankflip link
to crankflip vid > http://www.youtube.com/watch?v=8TmQnEIXc4Y
Street Dog (my vid) http://www.youtube.com/watch?v=ijM6vbhc5xs
thats my msn right there
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