The energy saver! Reduce downtime and save energy with the efficient Gold-Ribbon Cog-Belt . The unique construction of the Gold-Ribbon Cog-Belt combines the superior flexing of precision molded cogs with the tenacious gripping power of raw edge sidewalls to provide higher energy efficiency, increased power ratings and longer belt life. On top of all this, the Gold-Ribbon Cog-Belt is now made of EPDM (ethylene propylene diene monomer), a synthetic rubber that is durable, heat-resistant, static conductive and resistant to hardening and glazing.