DID CHAIN DID530ZVMX2 GG 128RH 4525516140751The D. I. D ZVM X Series utilizes our patented X Ring seal and has greater strength than the VX Series and is designed for heavyweight motorcycles with tremendous torque and horsepower., The twisting action of the X Ring increases its sealing performance and its four contact points minimizes power loss., The ZVM X Series Direct Energy Transfer, born from our experience in MotoGP, means greater stretch resistance under load., The ZVM X chain is a great