Duro Bicycle Tube 650B/27.5 x 2.75/3.00/3.25 70/82-584 FV48mm

High-performance 650B/27.5" inner tube engineered for modern gravel and mountain bike applications. Compatible with tyre widths from 2.75" to 3.25", accommodating a wide range of frame geometries and riding conditions. Features a 48mm Presta valve (FV48mm) for reliable air retention and precision pressure control. The 70/82-584 specification ensures compatibility with standard 650B rim profiles. Butyl rubber construction provides durability and puncture resistance for trail and bikepacking adventures. It is a dependable replacement or upgrade for cyclists who need reliability on mixed terrain.