700 x 38c Cycle Inner Tube (Fits all sizes 700 x 38 - 43) - 52mm EXTRA LONG Presta 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!