We produce all kinds of inner tubes for motorcycles and bicycles,we can offer you high quality products with competitive price. Motorcycles:2.50-18,2.75-16,2.75-18,2.75-19,3.00-16,3.00-17,3.00-18,3.25-18,3.50-18,4.10-21...etc Bicycles:26x1.75/1.95,28x11/2,700x25/28C..etc.