29" x 2.125 - 2.40 Cycle Inner Tube (29er) - Presta Valve + FREE Shipping + FREE Upgraded Skyscape Metal Valve Caps (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!