Duro Bicycle Tube 24 x 1.3/8 F/V (French valve) 48mm (37-540)

High-pressure inner tube engineered for precision and reliability. Designed for 24-inch wheels with 37-540 rims, this tube uses a French (Presta) valve. The 48mm valve length fits deep-section rims and aerodynamic wheelsets.

Built with butyl rubber compound for superior air retention and puncture resistance. The 1.3/8 width accommodates narrow to medium tyre profiles, making it ideal for road, gravel, and lightweight touring applications.

Drop-in replacement for OEM tubes or upgrade path for performance builds. Compatible with tubeless-ready setups when used with the right tyre and rim combinations. It is engineered for Australian conditions and long-distance reliability.