Mark wrote:
> "jim beam" <nospam@example.net> wrote:
>
>>see other postings for solution. prevention is to avoid excessively oily
>>hands - oil affects the plastic coating over time. avoid burgers and hand
>>lotions.
>
>
> There is no apparent deterioration of the material. I think the more
> likely cause is bright sunlight heating the upper part of the wheel,
> causing the adhesive to fail.
>
>
the wheel is coated in a material that doesn't appear to degrade.
however, oils diffuse through it and degrade what's beneath. go to a
junk yard - some wheels are completely bloated and swollen they're so
bad. and they usually STINK of hand lotion.