Provides fast, more consistent throttle response at high speeds and quicker throttle response at mid-speed acceleration. Greater secondary acceleration at high RPMs. Reduction in slippage during the highest levels of torque. Increased horsepower capacity. Better performance during deceleration. Tested and proven reliable at well over 12,000 RPM. Cooler running than the leading compeititors. Specially-formulated high temperature Neoprene® with the highest level of Aramid fiber loading available, delivers trail-blazing performance for the most aggressive riders. An innovative breakthough design features deeper cogs on top and rounded cogs on the bottom for the ultimate in flexibility and longer belt life. Gives extreme riders the best out-of-the-hole acceleration, throttle response and durability. Faster and more consistent throttle response at high speeds with quicker throttle response at mid-speed acceleration.