Skinny tires on your road and time trial bikes. Wide tyres on mountain bikes. Right? Maybe not… Lately, that premise has been challenged. So why are triathlon tyres getting wider and wider? And is wider actually faster? Join us as GTN investigates are wider tyres really faster!?

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The Global Triathlon Network (GTN) is the world's biggest triathlon YouTube channel, with new videos every day! GTN is for anyone who loves triathlon: from seasoned triathletes to first-timers – and everyone in between!

With the help of our former pro and Olympic medal-winning team, we’re here to inform, entertain and inspire you to become a better triathlete; including videos on:

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Join us on YouTube’s best triathlon channel to get closer to the sport and to become a better, faster and fitter triathlete!

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