Built For
Professionals

D.I.D's 520ERV7 is the chosen chain of MotoGP, Superbike, and road racing teams alike.

Upgraded
For 2020

Upgraded from the 520ERV3, the 520ERV7 boasts a 3% higher tensile strength, a 13% longer chain life, and less friction due to X-Ring material improvements.

Road
Racing

Flagship model for street bikes and hard endure riding.

Available sizes

  • 520ERV7   1000 cc max