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#tires

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@szpon True - my fitness is mediocre after winter.

But perhaps also tires are to blame? I have 40mm Schwalbe G-One Allround and those does not seem to be good for road. But are good in the forest.

Ordered a pair of Pirelli Cinturato All Road 35mm - hope those will roll better on road and still be gripy enough off road.

A study on the particle emission from cobalt-free studded tires against road materials sciencedirect.com/science/arti

Stud material in winter tires can have large impact on particle size distribution of airborne particulates as well as chemical composition of such dust.

Lower particle emissions and road wear for the cobalt free stud compared to today’s standard cobalt containing one.

#cars#tires#roads

Scientists make disturbing new discovery while studying human urine samples: 'We urgently need to classify [this]'

The study sampled the urine of 150 people and had "detection frequencies between 60% and 100%" of chemical 6PPD and 6PPD-Q, which are rubber additives commonly used in tires.

#microplasticshealthrisks #tires #humanbody #microplastics
yahoo.com/news/scientists-dist?

Yahoo News · Scientists make disturbing new discovery while studying human urine samples: 'We urgently need to classify [this]'By Cassidy Lovell