The Booster is a World Cup proven XC race tire that is aggressive enough to push traction to new limits. On top of that, it is also one of the fastest and lightest XC tires on the market. You no longer want to choose between a XC tire that is either fast and light, or provides great traction? The all new Booster combines the best of both worlds. Modern and aggressive look, optimized for fast rolling and best in class cornering traction. The Booster utilizes a newly developed race compound that is fast and grippy, especially on dry, loose over hard and rough and rocky terrain. Front and Rear application. Sidewall Casing Technology (SCT) is the optimization of existing Kenda tire construction technologies, allowing for a tire to maximize the benefits of fluid based sealants while also increasing the strength of sidewalls for resistance to slices and abrasion.