Strange tyre wear

I'm not sure if this is a factor for you or not; I seem to add more air during the cold months than the warmer parts of the year. My tire pressure drops by 4-5 PSI every 2-3 weeks over the winter. and hardly at all during the summer. I ride year round and my tires never reach their end of life date before running out of miles. Keeping them filled up have increased that mileage by a 1,000 miles or so.
 
I'm not sure if this is a factor for you or not; I seem to add more air during the cold months than the warmer parts of the year. My tire pressure drops by 4-5 PSI every 2-3 weeks over the winter. and hardly at all during the summer. I ride year round and my tires never reach their end of life date before running out of miles. Keeping them filled up have increased that mileage by a 1,000 miles or so.
I think the cold air contacts in the cold and as the tire warms up it expands but i don't think the tire pressure gauges are completely accurate as the 3 i have all vary between 2 or 3 lbs when tested against each other so i do not think my tire pressures are exactly correct. I purchased a new gauge for comparison and that was different too.
 
I run my tires 2psi over max and have prevented the dreaded cupping/scalloping effect. My OEM Mets lasted to 8K miles on my 2014 R3T. I have run Bridgestone Exedra Max ever since and get around 13K miles from a set.
The picture show tire wear at 7,900 +/_ miles on the Mets.
Tire.front.jpg
Boog that tire is done bud
 
10 degress will change your psi from morning to morning, from 90 to 46 degrees f. Huge difference
 

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