Continental Presta valve air chamber 20 x 1 1/8-1 1/4 28-406 à 32-451 Jaune 29374

Continental Compact Tube Presta 42Mm Valve Black 20X1.10-1.25Continental: High quality butyl tube with removeable valve core ideal for regular use.All tubes are seamless and mold-cured (vulcanized) to ensure uniform roundness and improved reliability at the valve stem. Each and every tube passes a stringent 100% quality control inspection.Hermetic... morePlus options contain a higher butyl amount and wall thickness which retains air longer and improves puncture resistance.