"This summer, we got an early sneak peek at the all-new Zleen Racerunner Radical, dubbed " the world's first true radial bicycle tire". Not only does it take what we saw revolutionize Schwalbe's MTB tires last year to the next level, with just 2° off from a completely radial construction and a shockingly low sidewall. The new Zleen radial XC tire also claims to lower rolling resistance, reduce weight, AND let you run higher pressures with an increased contact patch."
"The reason radial bicycle tires are being developed is to experiment with changing the tire's contact patch, support & grip. By switching from conventional 45° bias-ply casings to running the main fibers of the tire casing at 90° relative to the path of travel, the tire will deform more locally, more closely following the irregular surface of the trail. This also results in a larger contact patch at the same tire pressures."
Zleen's Racerunner Radical is an XC mountain bike tire built with a nearly complete radial casing and an exceptionally low sidewall. The radial construction reorients casing fibers to deform locally, increasing contact patch area and enabling higher usable pressures while improving grip through a shorter, wider contact shape. The tire also claims lower rolling resistance and reduced weight. Zleen develops its high-performance tires in the Czech Republic and manufactures them in India with partner Ralson. The company has visibility at XC World Cup events and on elite riders' bikes as the tire approaches market and pricing becomes available.
Read at Bikerumor
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