High performance drive belts calibrated to maximize your sled's performance. Aramid tensile cords used in construction for extra long life and dependability, also delivers a consistent length with minimal belt shrinkage and minimal length adjustments. High tensile reinforced fiber elastomer undercords provide minimal dusting and long term flex life. Flexweave overcord for superior adhesion and crack resistance. Consistent performance during life of belt. Quality you can count on for optimum performance Built with distinctive durability features for deep snow, trail or fast tracks. High-performance and unique belt technology. 100% cutting-edge PBO high-tensile strength polymer fiber construction. Designed for high-temperature robustness and prolonged durability. Compatibility: 850 E-TEC, 900 ACE Turbo R, 900 ACE Turbo - 150