Crazy light race tube. 363g. StandardShrader 34mm.Before going into production, the Michelin DH Racing tube underwent several years of development in international downhill competition, ultimately winning the world championship. After withstanding the most demanding conditions in every corner of the globe, there was no doubt as to its strength. With a larger air volume and 33% greater wall thickness than a standard tube 1.2 mm versus 0.9 mm, theres no substitute for a genuine Michelin DH Racing tube. Size: 26x2.2 2.8 inch ISO 5671 559, 34mm Schrader valve. Weight: 363g.