D.I.D 520ERVT118FB 520 ERVT Series X-Ring Chain - 118 Links - Gold

The 520ERVT chains breaks down the concept of the original motocross chain (non O-ring type) and adds the benefits of an X-ring. By adjusting the materials the 520ERVT is now 2% lighter and has a 15% longer lifespan, all the while maintaining the tensile strength.