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- STI Tire & Wheel, acclaimed for groundbreaking ATV / UTV products such as Black Diamond tires and HD Alloy Series wheels, has brought its innovative thinking further into the off-road motorcycle market with the expansion of its recently-introduced motorcy
- How could a fundamental item such as a dirt bike inner tube possibly be made different or better? Glad you asked.
- Each is 50 percent thicker than most standard tubes.
- HD tubes are made from high-quality butyl rubber with a 2 mm thickness.
- Priced considerably less than comparable rivals.
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Note: For Off-Road and Motocross use ONLY; STI tubes are NOT DOT-rated and NOT recommended for any type of road, street or highway use. STI Motorcycle Tubes are strong. The HD “Heavy Duty” model is 50 percent thicker than most standard tubes on the marke