Other belts develop harmonics that result in squeaking either immediately or over time. Get this belt and let this annoyance be a thing of the past. Not only is it heavier built than other belts out there, it's just better.
From the manufacturer:
Elite Poly-V® takes performance to the next level with Quiet Channel Technology, making the belt run quieter and last longer. The combination of a unique staggered "Helicog" profile with advanced EPDM rubber compounds virtually eliminates the chirps, squeaks and squeals typically associated with pulley misalignment. Advancements in design and materials give you the highest performance, low maintenance and proven results – with no exceptions.
Greater wear resistance
The polyester tension member is specially treated to reduce elongation and is very compatible in the drive with automatic tensioners used today.
Exceptional belt life
The same advanced technology that makes these belts run so quietly also increases flexibility, abrasion and heat resistance. That means you – and your customers – get a longer lasting, maintenance-free belt drive.