High-performance, lightweight, low-friction chain designed specifically for racing pins for ER chains goes through a patented heat treatment process that produces 1.5 times harder than traditional carbon heat treatment. Provides the highest abrasion resistance, tensile strength and impact resistance. ER chain used by top motocross/supercross OEM work teams. Unique gold-plated finish ER chain. This is a sprint road racing ERZ chain designed for Moto3. RACE, RACE, RACE, ER Chain with Wear Resistance and 15% Higher Tensile Strength ERT Chain is an ER chain designed for motocross MX series chains 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, 20% longer wear resistance ERV and 20% ERV. Designed for endurance Road racing with special low friction 1.72 kg br>Product dimensions (Length x Width x Height): ‎27.4 x 10.9 x 2 cm