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.
Flagship model for street bikes and hard endure riding.
- 520ERV7 1000 cc max
The ERV7 is our top-of-the-line racing chain created for MotoGP and extreme enduro racing. When tenths of a second and ounces matter, the ERV7 has dimpled pin heads to reduce weight without compromising the strength of the chain.