DID 520ERV7 Gold X-Ring Chain 120 Links (520ERV7120ZB)
$346.88
$216.03
(You save
$130.85
)
Type:
Non O-Ring Chain
- The 520 ERV7 chain boasts a 3% higher tensile strength due to stronger inner side plates and thicker pins
- Due to increased X-Ring durability, the ERV7 sees a 13% wear resistance increase