Vee Rubber two-wheeled air hose The two - wheeled air hoses made of natural rubber are very robust and have high safety - reserves. The high elongation behavior of natural rubber makes it possible to cover several tire dimensions With only one hose size. Vee Rubber has been the leading manufacturer of motorcycle tires and hoses for over 30 years OEMs for many top brands. Valve type: TR4 Valve straight Wall thickness: 1.6 - 1.7mm Suitable for following tire sizes: 2.75-21 3.00-21 80/90 - 21 80/100 - 21 90/90 - 21