Serfas Schrader Valve Inner Tubes are the go-to choice for cyclists seeking reliable and affordable replacements. Designed for durability and ease of use, these tubes are available in a variety of sizes to fit numerous tire dimensions. Whether you're commuting through Shrewsbury or tackling trails in the surrounding areas, these inner tubes ensure a smooth and dependable ride. | Serfas 27.5 x 1.75 2.30 Schrader 48mm Valve Tube