Product DescriptionBrand:DUOOKPackage include: Motorcycle Inner Tube 2.75/300-21(80/100-21) X 1PCApplicability:2.75/300-21(80/100-21) Inner Tube, This is an universal motorycle (motorcross,dirt bike.etc) front tire inner tube,and does not have any direct standard/OEM model application. In order to avoid making troubles to you, please ensure this part fit for your motorbike.1:Motorcycle Inner Tube 2.75-21 or 3.00-21 or 80/100-21 equipped with a heavy-duty TR4 valve stem, TR4 VALVE STEM: The TR4 valve stems feature short, straight, and threaded designs that offer both ease and safety during inflation. As a standard valve stem, TR4 is compatible with most hand pumps, making it easy to find a suitable pump for your needs. These heavy-duty valve stems are also firmly seated in the tubes via vulcanization, ensuring maximum stability and reliability.2:The inner tube of butyl rubber has strong air tightness, which is several times that of ordinary inner tubes;Butyl rubber is not prone to aging, has strong antioxidant capacity, and is more durable and long-lasting to use3:The inner tube has undergone a rigorous control check ,100% brand new product. Before installing, check to see if the inner tubes are completely sealed by putting them in water, if there are any bubbles, they are already damaged. lf leaking we will give you a new replacement for free,just contact with us with pictures
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⚠️ WARNING (California Proposition 65):This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.For more information, please visit www.P65Warnings.ca.gov.
