Michelin c4 aircomp latex mtb bike tubethe natural elasticity of aircomp latex tubes can actually improve efficiency by reducing rolling resistance latex has a remarkably high modulus of elongation 700 giving it outstanding resistance to punctures and pinch flats its the perfect complement to todays high performance wheels and tyres the aircomp latex weighs just 130 grams c4 mtb version making it one of the lightest tubes available as with any high performance product latex tubes r