Our foaming formula can seal and inflate your tires in seconds and injects them straight through the valve core; with no extra tools required and no need to remove your wheel. You can be back on your ride in no time. GÜP packs a punch! Our 125ml canister gives riders a chance to fill and seal tires of numerous sizes in all categories of cycling; while also working with tubeless, tubed and tubular tires. With two easy-to-use adapters for cyclists to choose from, GÜP has been considered the ultimate backup plan for cyclists all over the world.