MEROCA Ultralight TPU Folding Bike Inner Tube 349/406/451 Presta Valve 45mm/65mm Portable Bicycle Tube

The MEROCA Ultralight TPU Folding Bike Inner Tube is designed for riders who value lightweight performance and portability. Made from durable TPU material, it offers excellent puncture resistance while weighing significantly less than traditional butyl tubes. Compatible with 349, 406, and 451 wheel sizes and available with 45mm or 65mm Presta valves, it's the perfect upgrade for folding bikes and everyday commuting.