* High performance, lightweight, low friction chains designed exclusively for racing
* Pins for ER chains are put through a special patented heat treatment process that produces a 1.5 times harder surface than conventional carbon heat treating
* Provides the highest wear resistance, tensile strength and impact resistance available.
* ER chain used by top motocross/supercross OEM works teams
* Distinctive gold plated finish.
* MX series chain developed for motocross with Team Johnson Suzuki Bieffe in Europe, features 11% higher tensile strength, 20% higher fatigue strength, 13% stronger anti-tight joint performance, 17% higher roller impact strength and 20% longer wear resistance.
* 520MX chain is ideal for muddy conditions.

* Maximum Engine CC: 500
* Tensile Strength: 9000 lbs.

* 120 links

D.I.D - 520 MX Chain