D.I.D EXCLUSIVE SERIES RACING 520ERV3 CHAIN 120 LINKS GOLD/GOLD

Exclusive Racing Chain • High-performance, lightweight, low-friction chains designed exclusively for racing • Pins for Exclusive Race chains are put through a special patented heat-treatment process that produces a surface 1.5 times harder than conventional carbon heat treating • Provides the highest wear resistance, tensile strength and impact resistance available • ER Chain are designed for sprint road racing • ERT & ERM Chain are designed for motocross • MX Chain was 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 • ERV & ERV2 Chains are designed for endurance road racing with special low-friction X-Rings