Continental Race 28" 700x20-25c Bicycle Inner Tubes -60mm Long Presta Valve (Pack of 4 Tubes) Continental bike tubes are constructed of durable butyl rubber and are 100 percent inspected to ensure quality. The tubes are seamless and vulcanized for uniform roundness and improved reliability. Material: Butyl tubes with renowned Continental quality Durability: Each and every inner tube passes a stringent 100% quality control inspection Design: Seamless construction, with a mold-cured vulcanization, to ensure uniform roundness and give a smooth ride and handling.

Each Tube is Packed in the Original Conti Retail Box - These are not Bulk Tubes. Contents: 4 Continental Inner Tubes. Valve type: 60mm Presta Valve. Size: 28" - 700x20-25mm. The Tubes have a seamless construction, with a mold-cured vulcanization, to ensure uniform roundness.