Park Tool TSI-1 - Tubeless Sealant Injector, One Size, Blue

Easy-to-use syringe-style injector for setting up and removing tubeless bicycle tire systems without making a mess Injects sealant directly into mounted tubeless tires through the valve stem without removing the bead from the rim Long, thin tube fits all the way through most Presta stems with removable valve cores Oversized syringe body with easy-to-read gauge for precise application of sealant Holds up to 100 cc (3.5 fl. oz.) of any injectable tubeless sealant