The Booster is a proven cross-country race tire that's aggressive enough to push traction to new limits. One of the fastest, lightest tires on the market, you'll no longer have to choose between fast and light or great traction. New tread design offers a modern, aggressive look that's optimized for fast rolling and cornering traction Newly developed race compound that's fast and grippy, especially on dry, loose over hard and rough, rocky terrain Tubeless ready.