TUBE 8.50-10-PLY Michelin® Airstop® aircraft tubes provide long-lasting, dependable performance you can rely on. Michelin® recommends a Michelin® brand tire and Michelin® Airstop® tube as a wheel assembly combination for optimal performance. So when you fly with Michelin® Airstop® aircraft tubes, you fly with confidence. FEATURES • Michelin® Airstop® right-sized tubes are designed to provide an outstanding fit between the tube and the contour of the tire casing cavity • This optimal tube and tire fit reduces the possibility of creases, folds and air loss, resulting in a more reliable, longer lasting tire and tube combination • Exclusive Michelin® butyl rubber compound provides excellent air retention properties • Outstanding fit between the tube and the tire casing provides for ease of installation and excellent reliability • Michelin®'s unique tube design assists in achieving overall wheel assembly balance SPECIFICATIONS • Size: 8.50-10 in