Thinvik 4oz Bike Tubeless Sealant Injector Syringe for Stans No Tubes sealant and Other sealants Presta Schrader Valve Core Removal Tool?with Valve?

Fast, easy, and effective, our injector lets you easily insert sealant into the tires without clogging up your valve or having to break your tire/rim seal. It is a simple as removing your valve core, injecting the sealant with the injector, and reinstalling your valve core! NOTE: If your sealant containing small particles or fiber components, you'd better remove the injector piston to fill it up with sealant then install the piston back and inject it into the tire. In addition, the product also has a small valve, so that the injector tool can be opened or closed freely without leakage of glue.