The Surly Plus Fat Bike Tube is designed specifically for 26+ tires ranging from 3.0 to 4.8 inches, equipped with a Presta valve for reliable inflation control. Engineered for fat bikes, this tube offers durability and consistent performance on varied terrains, providing a secure fit that supports stability during aggressive riding. Ideal for riders seeking dependable air retention and compatibility with wider tires, it ensures your fat bike delivers the traction and comfort needed in challenging conditions.