Duro Bicycle Tube 26 x 2.25/2.35/2.50 57/64-559 FV 40 mm

Premium replacement tube engineered for reliability and performance on 26-inch mountain and hybrid bikes. Fits tyre widths from 2.25 to 2.50 inches with precision valve sizing. The 40mm Französisches Ventil (FV) valve delivers dependable sealing and easy inflation, ideal for riders prioritising durability over weight. Built to withstand varied terrain and frequent top-ups. A trusted choice for trail maintenance and everyday riding.