26" Cycle Inner Tube - 26" x 1 3/8" and 1 5/8" sizes - Universal Schrader/Auto Valve - FREE SHIPPING! FREE VALVE CAP UPGRADE WORTH $4.99! SUPER AIR TIGHT - Less requirement to re-inflate unlike other tubes! PUNCTURE RESISTANCE - Higher quality butyl rubber gives better protection! METAL VALVE CAPS - 3x Higher air retention over plastic caps! SKYSCAPE CAPS WORTH $4.99 - One set (2 Caps) per customer FREE! IN STOCK + FREE P&P - Ready to ship now!