IRC Heavy Duty Tube - 4.50/5.10-18 - TR-4 Stem T20057
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<b>[Product Information]</b><br>
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<li>Impressive joint and valve strength; for Valve Stem Types see above</li>
<li>Two to three times thicker than standard tubes, IRC heavy-duty tubes are incredibly durable, abrasion-resistant and feature great impact-absorption</li>
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