Nashbar Self Sealing Road Inner Tubes

Nashbar self sealing inner tubes are pre treated with a proprietary sealant that will never harden and can seal punctures up to 1/8 inch. Good for up to 3 punctures.Small Schrader fits tires (700x19 ? 26c / 27x1 in.) Small Presta fits tires (700x19 ? 26c / 27x1in.)Medium Schrader fits tires (700x28 ? 32c / 27x1 1/8 ? 1 1/4 in.)Medium Presta fits tires (700x28 ? 32c / 27x1 1/8 ? 1 1/4 in.)Large Schrader fits tires (700x35 ? 38c / 27x1 3/8 in.)Large Presta fits tires (700x35 ? 38c / 27x1 3/8 in.)