Features: 1. Shock Absorption: The high impact damping effect ensures smooth performance on both paved roads and uneven or damaged surfaces. 2. Parameter: The 2.50-18 tube tire fits 18-inch wheel rim motorcycles and SUVs with tire widths ranging from 2.5 inches to 3.0 inches; please verify compatibility before ordering. 3. Puncture Resistance: Constructed with thick, shock-absorbent rubber, these inner tubes offer enhanced resistance to punctures. 4. Rubber Material: Made from high-quality rubber with a stable internal structure and excellent flexibility, capable of withstanding standard international air pressure requirements. 5. Practical Design: Suitable for both front and rear off-road tires, this inner tube is designed for durability and easy installation. Specification: Item Type: Inner Tube Material: Rubber, Metal Stem: TR4 straight metal stem Fitment: Compatible with motorcycles, off-road vehicles, and Suzuki dirt bikes equipped with 18-inch wheel rims and tire widths between 2.5 and 3.0 inches. Package List: 2 x Inner Tube