The milKit is solution for easy measuring and refilling sealant in tubeless tires. It makes tubeless tires maintenance clean, quick and simple. The tire seals directly on the rim. With milKit riders and racers can quickly measure and check their remaining tire sealant with a simple, portable kit, adding sealant as needed while leaving their tires on the rim. Generally, it allows a rider to check the amount of tubeless sealant in a tire, along with the quality, all without needing to remove the tire.