Stan’s NoTubes is proud to introduce the DART, an entirely new and better way to repair tubeless tyre punctures and slices that are 5mm or larger. Although Stan’s Sealant alone handles most punctures, the DART makes the toughest tubeless tyre repairs fast, easy, and reliable for every rider. Unlike conventional plug tools, which function by pressing pieces of rubber or similar material into a puncture, Stan’s Dual Action Repair for Tubeless (DART) tool also reacts with Stan’s tyre sealant to fill the puncture and create an airtight bond with the tyre.