18x8.50-8 18x8.5-8 Heavy Duty Rubber Tire Inner Tubes with

Tyre size: 18X8.50-8. Check the tyre or inner tube for compatibility. 1 Piece Inner Tube. Material: Rubber. It's just take you 1 minute. Durable material, wear resistance, long lifespan. We'd like to settle any problem in a friendly manner.