It looks like we don't have any community posts for this product right now — Got relevant content to contribute?
About D.I.D. 520 MX Series Exclusive Racing Chain
D.I.D. 520 MX Series Exclusive Racing Chain
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 than conventional carbon heat treating
Provides the highest wear resistance, tensile strength and impact resistance available
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