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Need Mini bike 18 in tubes for mini bike that are of the same superior quality as the original? Check out the stocks from leading manufacturers at OMB Warehouse. Even though tubeless tires are used in modern mini bikes, tires with tubes are good as OEM replacement components in most makes and models of mini bikes. Older classic mini bikes that have their original parts will still require an inner tube to inflate the tires. For those who restore vintage mini bikes and hope to get them as close as possible to their original state, there is a consistent need for inner tubes so that these vehicles can be fitted with original equipment tires. One of our best selling products in Mini bike 18 in tubes is the PIVOTRAX 110/100-18 (4.50 X 18) Heavy Duty Tube - 3mm Thick - TR4. These tubes are puncture and pinch resistant and designed specifically for motocross and off-road use. They have seamless construction and features a TR4 valve stem for easy installation and heavy duty construction for off-road riding. With this Mini bike 18 in tubes your bike has some extra protection. Fit for front and rear tire of mini dirt bikes of various makes and models.