This 4" Tire Tube (170-001) has a tube size of 410-350-4 with a 4" rim diameter. It is a Stens replacement tire tube that can replace Carlisle part number 320100. Manufactured with high-quality butyl rubber and carbon black, this tire tube is individually pre-aired and uses advanced extrusion technology to eliminate thin walling problems. The tube has a 90 degree curved stem angle and it is a TR87 stem type. TR stem types run towards the center of the rim. The tube is compatible with many CST tube type tires.