Our standard tubes use a moulded method of construction ensuring a consistent thickness of butyl rubber. This 5 Tube Multipack offers excellent value and reliability for your cycling needs. These tubes are designed to fit tires with a size of 27.5 inches with a width range of 1.75 to 2.4 inches, and feature a Schrader valve for easy inflation. The moulded construction ensures a uniform thickness of butyl rubber, providing durability and performance on various terrains. Whether you are a casual rider or a dedicated cyclist, these tubes are a dependable choice to keep your wheels spinning.