2 x Schwalbe Inner Tubes - 24" x 3/4", 1", 1 1/8" (600 x 25A/28A) - Auto/Scharader Valve - PAIR - FREE SHIPPING! FREE VALVE CAP UPGRADE WORTH $4.99! [No. AV9A] SUPER AIR TIGHT - Less re-inflating required compared to other tubes. PUNCTURE RESISTANCE - Higher quality butyl rubber gives better protection. METAL VALVE CAPS - 3x Higher air retention than plastic caps.