Bike Fenders Merlin

Smart Sealer, is an instant effect puncture prevention liquid, containing our exclusive particle Aeropolymer. Aeropolymer is a low density polymer, fiber shaped, that seals instantly punctures up to 7,5 mm. It is Co2 compatible. Does not harm rims or tyres. Stays liquid for at least 8 months in normal conditions. Moreover, thanks to its fiber shape, it creates a highly durable puncture fix