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Old 10-19-06, 10:05 AM
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urbanknight
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Originally Posted by DannoXYZ
The problem with the soda-can shims is that you have multiple layers of a smooth-surface. This spreads out the total-friction across multiple-layers. One of those layers may have slightly less friction than another and will slide first.

A single purpose-made shim with serrated surface will grip much, much better. Bike shops usually have these by the tonne...
Yeah, I had tried one of those as well. It had ridges on the outside and a somewhat bumpy surface on the inside. It still slid, and then even started splitting into pieces when I'd tighten it further.
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