Thorn Resistant 28"/29er x 2.125/2.50 (57/64-622) - A/V 48mm

High-volume thorn-resistant tube engineered for rugged trail and urban riding. Fits 28" and 29er wheels with 2.125" to 2.50" tyre widths. 48mm Schrader valve provides reliable air retention and easy inflation with standard pumps. Durable rubber compound resists punctures from thorns, glass, and sharp debris. Ideal for off-road adventures, commuting through rough terrain, and high-mileage touring where reliability matters.