Gates Drive Belt for 2011-2015 Polaris Pro RMK (44C4553) Strength: The first CVT belt utilizing a carbon tensile cord, combining minimal stretch with extraordinary strength. Flexibility: High performance neoprene with a trapezoidal top-notch and rounded bottom cog design maximizing heat control and flexibility. Durability: Carbon tensile cords are bonded with specially formulated adhesion gum to aramid fiber loaded rubber resulting in increased side-load resistance which prevents belt distortion and edge cord pullout. Performance: Carbon tensile cords provide optimal power transmission resulting in faster acceleration, improved throttle response and consistent shifting performance.