Explosion-proof is the most important feature of our inner tube. If punctured, it immediately forms an airtight seal to prevent damage, vandalism, and injury to the rider.
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2.753.00-21 Tube 80100-21 Dirt Bike Tube with TR4 Straight Valve Stem Fits Motorcycle with 21 Tires9080-21, 9090-21, 80100-21 2PCS
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**** The 2.753.00-21 Tube 80100-21 Dirt Bike Tube has garnered a mixed reception from customers who have tested its performance in various riding conditions. Many users appreciate the tube's durability and reliability in maintaining air pressure, which is crucial for their off-road riding experiences. Riders have noted that the TR4 straight valve stem makes it easy to inflate and deflate the tires, enabling quick adjustments on the go. However, some customers faced challenges during installation, citing difficulty due to the tubes' stiffness. While most found the fit to be accurate for their motorcycle's specifications, there were a few reports of leaks over time. Overall, riders mostly praise the tubes for their performance during rides, though some caution that proper care during installation is essential to avoid potential issues. **
2.753.00-21 Tube 80100-21 Dirt Bike Tube with TR4 Straight Valve Stem Fits Motorcycle with 21 Tires9080-21, 9090-21, 80100-21 2PCS
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