Thorn Resistant Tube 12.1/2 x 2.1/4 A/V

Heavy-duty inner tube engineered for durability and puncture resistance. The 12.5 x 2.25 dimensions fit a wide range of bike frames, while the auto-seal valve design simplifies installation and maintenance.

Built with reinforced sidewalls to handle rough terrain and debris, this tube delivers reliable performance. It works well on trails, commutes, and casual rides. The thorn-resistant construction reduces flat rates, keeping you rolling longer between repairs.

Compatible with standard wheel sizes and suitable for mountain bikes, hybrid bikes, and rugged urban commuting. Stock one in as a backup or upgrade your current setup.