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Some users contend that IRC Heavy-Duty tire tubes are the thickest tubes you can find for the price. All we know is, they are 3mm thick to resist punctures and pinch flats, a definite plus when you're competing in a race or scaling rough terrain miles from home. Made from a blend of natural and butyl rubber, IRC Heavy-Duty tire tubes meet or exceed OEM quality standards. Straight metal valve stems are bolted onto these rugged tubes, which are available in a full range of sizes to fit most motorcycles.
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$22.99
IRC GS-45Z1 tires are for smaller bikes. These tough kids motocross tires are available for front and rear, and are original equipment of the Honda® CRF 80 and 100, and the Kawasaki KLX110 bikes.
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$40.99
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