3.6-3.7mm heavy-duty butyl-rubber tubes are designed to resist punctures and pinch flats
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Description3.6-3.7mm heavy-duty butyl-rubber tubes are designed to resist punctures and pinch flats. Almost three-times thicker than standard tubes for extra flat protection. Fits all popular MX sizes. Tubes are two times thicker than OEM tubes and are designed specifically for motocross and off-road use.