OUTLAST THE REST: C12 Drive Belts utilize high-strength, high-modulus aramid (ballistic body armor material) tensile cords and reinforced fiber-loaded rubber for durability, dependability, and a long-lasting belt life that outlasts other high-performance belts by as much as 5X. Special belt construction results in increased side-load resistance, preventing belt distortion and edge-cord pulloutOPTIMIZE HEAT RESISTANCE: the high-performance neoprene, trapezoidal top cogs, and rounded bottom cogs deliver optimal heat control and maximum flexibilityRECLAIM YOUR HORSEPOWER: carbon tensile cords provide faster acceleration and ehorsepower, improved throttle response, and consistent shifting performanceCONTROL YOUR SPEED: this premium belt offers exact speed control and maximum speed adjustmentINSTALL EASILY: the OEM-constructed drop-in C12 Drive Belt requires no clutching adjustmentsThe C12 Carbon Fiber CVT Drive Belts are state-of-the-art continuously variable transmission (CVT) drive belts