Advantages of Counteract Motorcycle Internal Tire Balancing Beads: Tires are balanced all the time, not just over 30 mph. No rebalancing every time you come to a stop. No dust to clog valves. Free valve cap and new valve stem with every bag. Increase tire life. Improve fuel economy. Reduce vibration. Kit includes 2 packages of memory beads, 2 valve stems, 2 valve caps, and 1 applicator bottle with tube. NOTE: Please use sizing chart to determine which Counteract Motorcycle Internal Tire Balancing Beads Kit is appropriate for your application.