We specialize in producing motorcycle inner tubes.1. Size: 1.85-17, 2.00-17, 2.25-17, 2.25-17, 2.50-18, 2.75-14, 3.00-18, 3.25/3.50-10, 3.50-16, 4.00-8, 4.10-18, 70/90-14, 80/90-17,100/90-18, 110/90-16 etc.2. Valve: America valve, English value3. certificate: ISO 9001:2000 Packing: Every pc in a polybag then 50 pcs in a plastic bag, or every pc in a small color box then 50 pcs in a carton. Payment: 30% T/T or L/CDelivery: within 3weeks after received the payment. For more details please contact with me. Look forward to cooperate with you.