Tubeless Sealant Injector for One Size

The Park Tool TSI-1 Tubeless Sealant Injector is designed to simplify the process of setting up and removing tubeless bicycle tire systems without the hassle of making a mess. This innovative tool allows you to inject the perfect amount of sealant directly into mounted tubeless tires through the valve stem, without the need to remove the bead from the rim.

Featuring a long, thin tube, the TSI-1 is capable of fitting all the way through most Presta stems with removable valve cores, enabling tidy injection and removal of all injectable tubeless bicycle tire sealants. The oversized syringe body includes an easy-to-read gauge, ensuring precise application of up to 100 cc (3.5 fl. oz.) of sealant.

Trusted since 1963, Park Tool has been dedicated to designing and manufacturing high-quality tools that empower mechanics and riders of all skill levels to service their bicycles. The TSI-1 is a testament to the company's decades of experience and expertise in the industry, both in the shop and on the trail.

Whether you're setting up a new tubeless system or need to replenish the sealant in your existing tires, the Park Tool TSI-1 Tubeless Sealant Injector simplifies the process and helps you avoid the mess. With its user-friendly syringe-style design, this tool allows you to efficiently inject sealant directly into your mounted tubeless tires, without the hassle of removing the bead from the rim.

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