we are a professional factory to produce motorcycle tires and tubes.1.Our motorcycle tires have tire and tubless tires. our tubes have rubber tire and butyl tubes.2. Our motorcycle tyres have following sizes: 2.25-14, 2.25-17, 2.50-17, 2.75-14, 2.75-17, 2.75-18, 2.75-19, 3.00-17, 3.00-18, 3.00-10, 3.25-18, 3.50-10, 4.00-8, 4.00-12, 4.00-10, 4.10-18, 5.00-12, 60/80-17, 70/90-17, 90/80-17, 80/80-17, 70/80-17, 80/90-17, 110/90-16. 3. Our tubless tyres have sizes: 3.25-18, 3.50-10, 110/90-16. 4. Our rubber inner tube sizes: 110/90-18, 450-18, 410-18, 350-18, 325-18, 300-18, 275-18, 250-18, 185-18, 110/90-17, 350-17, 325-17, 300-17, 275-17, 250-17, 225-17, 185-17, 110/90-16, 350-16, 325-16, 300-16, 130/90-15, 300-14, 275-14, 410-19, 375-19, 500-12 TR13, 450-12 TR13, 400-12 TR13, 375-12 TR13, 300-12 TR13, 410/500-10, 400-10, 350-10 TR87, 300-10 TR87, 250-10, 400-8W, 350-8W, 325-8W, 300-215. Our butyl tube sizes: 250-4, 300-4, 410/350-4, 300-8, 325-8, 350-8, 300-10, 350-10, 400-8, 300-12, 275/300-14, 2.25-17, 2.50-17, 2.75-18, 3.00-17, 3.00-18, 3.00-16, 3.25-16, 350-16, 3.25-18, 275/300-19, 275/300-21, 90/90-18, 110/90-16, 4.10-18, If you are interested in our products, please contact me freely. Believe your choice to buy our production! You will be satified with your choosing after our trial order.