The Cannondale Schrader 12X1.5-2.3 70 Degree Valve Tube is a dependable inner tube built for riders who value reliability and long term durability. Cannondale designed this tube to be a go to essential that works just as well during routine maintenance as it does during unexpected roadside fixes. Its butyl rubber construction balances weight and strength, helping it resist pinch flats and air loss over time. Every tube is quality tested to ensure it holds air consistently before it ever reaches your garage. Whether keeping spares on hand or installing a fresh tube, this Cannondale option delivers confidence ride after ride