High quality 700C tube with 0.80mm wall thickness. This road tube has a removable valve core that allows you to add a liquid sealant for extra protection. Perfect for reliable everyday use. Specs - For Road Bike - Weight : 96g - Tire width : 0.9" (23 mm), 1.25" (32 mm) - 700x23/32C - Presta - 60mm Valve