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Tangente_RT25_303Firecrest_HERO1.jpgZipp unveil tubeless versions of the Tangente Speed tyre
Zipp are claiming the lowest rolling resistance and best dry and overall cornering grip according to results from “testing in an independent lab”. Weights for the tyres are listed as 292g for the RT25 and 302g for the RT28.
Available in both 25mm and 28mm to “meet the preferences for wider tyres among today’s road riders”, the Tangente tubeless have a 127 TPI nylon casing and the ability to run lower tyre pressures for reduced risk of pinch flats – max pressure for the RT25 is 115PSI, and 100PSI for the RT28.
Zipp also say that you don’t have to use tyre levers for installation. The tread pattern is modelled on Zipp’s clincher versions of the Tangente Speed.
The RT25 will be available to buy in June 2017 and the RT28 in August 2017, with prices TBC as of yet.
Arriving at road.cc in 2017 via 220 Triathlon Magazine, Jack dipped his toe in most jobs on the site and over at eBikeTips before being named the new editor of road.cc in 2020, much to his surprise. His cycling life began during his students days, when he cobbled together a few hundred quid off the back of a hard winter selling hats (long story) and bought his first road bike - a Trek 1.1 that was quickly relegated to winter steed, before it was sadly pinched a few years later. Creatively replacing it with a Trek 1.2, Jack mostly rides this bike around local cycle paths nowadays, but when he wants to get the racer out and be competitive his preferred events are time trials, sportives, triathlons and pogo sticking - the latter being another long story.
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Good news, I've been told the normal clincher version are good. Hoping this is in advance of Zipp releasing some tubless 303's ...