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Flat Tire Pollen

Old 06-26-22, 06:13 AM
  #1  
flangehead
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Flat Tire Pollen

I picked this up with a 2-inch magnet on a 750-foot traverse over a shoulder I ride frequently.




Posted 45 mph.

I couldn't see any of this walking, much less riding.

I'm now amazed I don't flat much more often than I do.

Last edited by flangehead; 06-26-22 at 06:32 AM. Reason: Add photo of location.
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Old 06-26-22, 06:16 AM
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Where do you ride?
Much construction in our area. Things falling off of trucks.
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Old 06-26-22, 06:24 AM
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Wow. A lot of stuff out there.
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Old 06-26-22, 08:22 AM
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Ha! Nobody drives 45mph on that stretch I bet! Around here anyway, a road like that would commonly be driven 55-60mph, regardless of posted limit. Do you think speed has something to do with wire bits and other magnetic debris on the road? I guess it makes sense that greater forces would knock more stuff loose, but I’ve never thought about that kind of thing before.
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Old 06-26-22, 08:52 AM
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Originally Posted by chaadster View Post
….Around here anyway, a road like that would commonly be driven 55-60mph…Do you think speed has something to do with wire bits and other magnetic debris on the road?
I think median speed is probably 55 mph on this segment.

I don’t think speed has any relation to debris accumulation.

Probably biggest factor is slope to wash off debris in heavier rain.
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Old 06-26-22, 10:53 AM
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Very common steel belting from steel belted tires. Most roads are only crowned at 2% so it takes a good rain to wash the fragments off. Our retirement community runs street sweepers often and has lower speed limits and it really helps compared to the city/county roads.
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