Michelin Ultra Heavy Duty Inner Tubes - Off Road/Dual Sport - 90/90-21, 80/100-21 - TR-4 Stem 73810 / 827203
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<b>[Product Information]</b><br>
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<li>Reinforced tubes for off-road applications</li>
<li>Feature a 4mm wall thickness</li>
<li>Provide enhanced protection against punctures and pinch flats</li>
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