Manufacture natural rubber inner tube and butyl rubber inner tube and delivery soon, ISO9001 certificate 1. For motorcycle: ... 18, 110/90-16, 130/90-15 etc. 2. For wheelbarrow: 200x50, 250-4, 250-6, 250-8, 300-4, ... -8, 500-6, 650-6, 650-8 etc. Natural rubber inner tube and butyl rubber inner tube, With high quality , We can delivery the goods1-2 ... visit to us and based good business together. inner tube