Product Description Specifications: Type: Tubeless(tires only, rims are not included) Tire Load Range:B Speed index:A3 Ply Rating: 4 Ply Rated Size: 15/6.00-6 Tread Depth: 0.23''/6mm Rim Width: 4.50" Max Load: 570 lbs/ PSI: 30 SW: 6.29"/160mm OD: 14.96"/380mm Weight: 11.24 lbs Quantity: 2 Pcs Material: Rubber Color: Black Package Includes: 2 x Tires How to maintain your tires? Regular test of fetal pressure. Regularly check the wear of tires. Remove the small stones and other Replacement foreign objects in the tires. Rotation of tires on time. Timing four round positioning. Timely repair.