D.I.D - 520 ERVT Series Chain Discount15 The Only rear plastic chain

The Only rear plastic chain guide with multiple championship titles 15 years in a row

Separate Anti-odor modular central zip-up compression sock with built in elbow and shoulder protection designed for maximum airflow

The first performance slider that cures the fast wear problem of the stock part

The rear chain guide is built like a factory race bike and is used by the top Yamaha support team riders

it has been tested by the best that the North East Off Road scene has to offer

D.I.D - 520 ERVT Series Chain Discount15 The Only rear plastic chainRacing Boss The 520ERVT is designed as our top of the line enduro chain, but it's strength, lightweight, and extended chain life makes it an ultimate racing chain. X Ring Technology Born from our original non O ring motocross chain, the ERVT boasts our patented X Ring technology which provides less stretch, a higher tensile strength, and ultimately a longer lasting chain. Strong, Yet Light This is our lightest and longest lasting X Ring chain in the