EK/JT 520MRD7 13/50 Chain Kit - ultra-light sprocket by EK CHAIN: a complete kit designed for motocross and competition use, combining reduced weight and wear resistance. Ideal for those seeking a responsive transmission without compromising tensile strength and abrasion resistance.
- Configuration: 13-tooth sprocket / 50-tooth sprocket (ultra-light aluminum)
- Pitch type: 520
- Number of links: 114
- Color: Gold / Gold
- Weight: 1.47 kg for 100 links
- Relative lifespan: 450 (for 100 links, manufacturer value)
- Sprocket material: Aluminum (ultra-light version)
- Manufacturer reference: Not provided
Designed to limit friction and reduce inertia, this EK/JT chain kit is aimed at motocross and enduro riders who push hard on the gears. The ultra-light aluminum sprocket reduces unsprung weight for better rev response, while the treated chain offers good abrasion and tensile resistance in demanding conditions. Gold finish for a sleek look and protection against corrosion.
Compatible with several enduro and motocross models, including the BETA RR 350 4T (2012-2013) listed as a reference. Installation and adjustment should follow manufacturer recommendations for optimal longevity.
