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D.I.D 520 ERT3 Series Exclusive Racing Chain

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Product Information

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
ER chain used by top motocross/ supercross OEM works teams
Distinctive gold-plated finish
ER chain designed for sprint road racing
ERZ chain designed for Moto3 racing, with twice the wear resistance and 15% higher tensile strength of ER chain
ERT chain designed for motocross
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
ERV and ERV2 designed for endurance road racing with special low-friction X-rings
Originally comes with clip connecting link
ERV3 originally comes with rivet connecting link