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Premium Butyl Rubber Construction
These inner tubes feature high-quality butyl rubber that significantly outperforms traditional rubber materials. Butyl rubber maintains air pressure for up to 6 months without leakage, eliminating frequent reinflation needs every 30-45 days. The superior air retention properties ensure your motorcycle stays ready to ride whenever you need it.
Universal Tire Size Compatibility
This 2-piece set fits multiple tire sizes including 2.50-18, 2.75-18, 80/90-18, 80/100-18, and 90/90-18 specifications. Perfect for Haojue 150 motorcycles, dirt bikes, and off-road vehicles requiring these standard dimensions. One set covers multiple bikes or provides convenient backup tubes.
Durable TR4 Valve System
Equipped with TR4 straight valve stems installed in reinforced thick valve seats for maximum durability and longevity. Pure copper dust caps feature built-in rubber seals that prevent dust and water intrusion while functioning as a valve core removal tool. Enhanced valve engineering extends overall tube lifespan significantly.
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Brand new product in original packaging
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