STRENGTH: The first CVT belt utilizing carbon tensile cord for minimal stretch and extraordinary strengthFLEXIBILITY: High-performance neoprene with a trapezoidal topnotch and rounded bottom cog design maximizing heat control and flexibilityDURABILITY: Carbon tensile cords are bonded to aramid fiber-loaded rubber with specially formulated adhesion gum, resulting in increased side-load resistance, preventing belt distortion and edge cord pulloutPERFORMANCE: Gain optimal power transmission for faster acceleration, improved throttle response and consistent shifting performanceIf your machine is over 800cc, consider Redline CVT beltC12 belts were the first CVT belt utilizing carbon tensile cord for high modulus and extraordinary strength. This high-performance Neoprene and aramid fiber-loaded rubber belt o?ers Original Equipment technology. The advanced carbon tensile cords are surrounded by specially formulated adhesion gum to reduce edge cord pullout and increase belt life.