DID CHAIN 520VX2 X-RING 74L, DID520VX074, BLACK CHAIN LINKS, DID520VX2074
DID CHAIN X-RING 520VX2 74 Links BLACK. The Professional VX X-Ring Series is a high quality VX X- Ring chain with excellent wear resistance. D.I.D Professional V Series chain is a great value VX X-Ring chain.