PSC vs Silica Rubber Fat Bike Tires

Last winter I saw that Kate Leeming was planning on bicycling across Antarctica <> and her weapon of choice was the SnowShow 2XL PSC (Pure Silica Compound) tire with white treads. Although I had seen many people use the PSC tires on their fatbikes online there was something about having a white treaded tire that put me off. Late fall 2017 I sprung for a set of 2 Snowshoe 2XL PSC tires from ebay for about $219 and threw them on a Ludicrous powered Bikes …
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