D.I.D Chain 520 ERVT G&G X 120 L WORKSHOP & TOOLS Strategically placed stretch-mesh ventilation and

Strategically placed stretch-mesh ventilation and laser-cut perforations in key areas for advanced airflow

the NZ series includes premium chains specifically for mini bike racing

and Kawasaki

Ds patented X-Ring is superior to other O-Ring designs

Flex strategically disperses impact energy and works to reduce rotational energy transfer

D.I.D Chain 520 ERVT G&G X 120 L WORKSHOP & TOOLS Strategically placed stretch-mesh ventilation andFor off road applications where a sealed chain is preferred, DID's 520 ERVT X Ring chain provides excellent low friction high performance. X Ring chain has 1. 5 to 2 times greater wear resistance than standard O Ring chain.