Impressive joint and valve strength; for Valve Stem Types see above;Two to three times thicker than standard tubes, IRC heavy-duty tubes are incredibly durable, abrasion-resistant and feature great impact-absorption

• IRC Heavy Duty Tube -110/90-19, 120/90-19 - TR-4 Stem T20068

IRC Heavy Duty Tube -110/90-19, 120/90-19 - TR-4 Stem T20068IRC