2 x Michelin ULTRA LIGHT Inner Tubes - 700 x 18 - 23 (18/23-622) - 60mm Presta Valve [Michelin No. A1 ] + FREE Upgraded Skyscape Metal Valve Caps (Worth $4.99) TWIN PACK - 2 x Premium quality Michelin inner tubes direct PUNCTURE RESISTANCE - Higher quality butyl rubber gives better protection SUPER AIR TIGHT - Less requirement to re-inflate unlike other tubes SKYSCAPE METAL VALVE CAPS - 3x Higher air retention over plastic caps - Worth $4.99 IN STOCK + FREE P&P - Ready to ship now!