KEN BOOSTER PRO 29x2.2 BK/BK SCT/TLR/120 FOLD 45psiNew tread design Modern and aggressive look, optimized for fast rolling and best in class cornering traction New race compound The Booster utilizes a newly developed race compound that is fast and grippy, especially on dry, loose over hard and rough and rocky terrain SCT is the modification of existing Kenda tire construction methods. By adding an additional sheet of Nylon fabric across the sidewall of the tire, from bead up to tread block, it results