We have all been there, in the middle of the trail and we blow a tube. Perhaps you are not carrying an additional tube, or you already popped your spare. Check out Gup! Gup is an eco-friendly, ammonia free foaming latex based sealant. Now you can laugh at the idea of a flat trailside. Gupwill seal up punctures up to 2mm in diameter. Gup is the sealant and the inflator in one package. Toss a tube of Gup in the bottom of your hydration bag and forget about it until you need.it.
Inflates 27.5' x 2.35 to approximately 35psi
Infaltes road tires between 90-100 psi
Weighs only 122 grams
Works with presta, Schrader, tubed, tubeless, and tubular tires
Sold in packs of 6
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