Thorn Resistant 28"/29er x 1.75/2.125 (47/57-622) - A/V 48mm

Engineered for trail durability and everyday reliability, this 28"/29er inner tube combines puncture resistance with versatile sizing. The thorn-resistant design protects against sharp debris and rough terrain. The 47–57 mm valve range fits modern rim standards. Ideal for mountain bikes, commuter setups, and off-road adventures where reliability matters. Fast, dependable inflation with the standard Schrader valve.