Lighter, more compact, and more durable. Yep, you get all three. WTB introduces the NanoAir TPU (Thermoplastic Polyurethane) tube. It's compact, and packs down to one third of the size of a traditional tube. Just think of the extra things you can fit in your pack; a beverage, snacks, maybe even a snack for your friend that always forgets one, yea you know the one. It's light. Like we mean really light. 60% lighter that (cough cough) paperweight you have been lugging around. "But it's so light," you say, "how is that better than my paperweight tube?" Don't worry, these TPU tubes are tough, with a special construction/layup of material these are more durable than traditional butyl tubes. Having one of "those days," and you ride through a patch of thorns and get another flat? Don't worry, we added a few extra TPU patches to keep you rolling. Compact The NanoAir TPU Tube is 1/3 the size of a traditional butyl tube. LIGHT 60% lighter than traditional butyl tubes. Patches included Two Glue-Less TPU Patches Included with every TPU tube. Quick and easy repairs on the road, or trail. 48mm Presta Valve All NanoAir tubes come with a 48mm Presta valve. Light and Compact It's light. Like we mean really light. 60% lighter than (cough, cough) paperweight (butyl tube) you've been lugging around. The NanoAir TPU tube is tiny. It packs down to one third of the size of a traditional tube. Just think of all the extra things you can fit in your pack; a beverage, snacks, maybe even a snack for your friend that always forgets one, yea you know the one. Why choose a NanoAir Tube over a Butyl tube? When it comes to inner tubes, the material you choose can significantly impact your cycling performance. The WTB NanoAir TPU Tube is revolutionizing the cycling world, offering a host of benefits that far surpass traditional butyl tubes. Whether you're hitting gravel roads, mountain trails, or embarking on bikepacking adventures, the NanoAir TPU tube is the ultimate upgrade.