DID 520VT2-120 Gold Narrow X-Ring Chain with Connecting Link
D.I.D.’s 520VT2 chain is a X-ring chain designed for racing motorcycles that can’t accommodate a wider sealed chain, due to clearance limitations, like the CRF250X, CRF450X, …
Powersports Drive Chains
D.I.D.’s 520ERV3 chain is a premium X-ring chain with the superior strength and low friction drag required for today’s high horsepower motorcycles. The X-ring’s four contact points greatly increase it’s sealing performance. This keeps dirt, dust and mud out and retains lubrication much better than a O-ring chain. X-rings have the greatest wear resistance of any other O-ring …