DID CONNECTING LINK 520VX3 (ZJ)
SOFT RIVERT LINK X-RING 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.
The greater rigidity of the VX2 series brings smoother handling, quicker response and reduces power loss. - Maximum engine displacement - 750cc. - Tensile strength - 8210 pounds. - Projected wear life 35.0 times longer than a standard chain under similar conditions. - Master link included.

Part No. 30-803.RL.BK.VX3     (Distributed oro2u.com    

Cross reference numbers ONLY.
DID-L-520VX3ZJ