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Old 01-09-2013, 04:54 PM   #18
Apple Jam
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Joined: Aug 2007
Location: Mt Hood mud flow
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Quote:
Originally Posted by MotoTex View Post
I had a similar problem with patches failing. For me it turned out it wasn't heat, but old patches. It seems they have a shelf life of about a year, after which they won't chemically bond properly.

After losing three consecutive patches I did some research and learned that fresh patches work best and become less effective over time. I bought new patches and cement and it worked the first time and has been holding for months now.

If your patches are over a year or two past manufacture, including time in distribution, sitting on the shelf at the store, and in your repair kit, it is probably time to replace them..
I never thought of that. Seems quite obvious when you say it....
Without question the patches were many years old (6-7?) , but the glue was fresh

Quote:
Originally Posted by MotoTex View Post
Could be that riding on low air pressure leaking from a poor bond led to the heat you noticed.

Something to consider.
I've bent too many F&R rims to run low pressure anymore.
Always 30+ lbs unless I have an EXTREMELY loose & nasty hill
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