Welcome to quality with a new RubberMaster radial 20x10R9, 20x11R9 multi-fitment ATV/UTV, lawn mower tire inner tube. This is a multi-fit inner tube that is made to be used in the following sizes: 20x10R9, 20x11R9, 21x8R9, 21x9R9, 21x10R9, 22x8R9, 22x9R9, 22x10R9 and 22x11R9. The most common applications are for ATV/UTV, lawn and garden, and golf cart tires. This tube is designed for use in radial and bias tires and comes equipped with an upgraded TR6 straight metal valve stem.