Bridgestone Tire Tube - 549541 - Standard Duty Fits 140/70, 150/70, 160/70 Tires Designed for bikes that use tubes with radial tires, like supermotard and retro bikes with spoked wheels TR-4 valves Specs: - Fits Tire Size 140/70 - Fits Tire Size 150/70 - Fits Tire Size 160/70 - Rim Diameter 17 - Stem Type TR-4 Center Metal (threaded and nuts) - Type Tube - Units Each - Weight 1.87 lbs |