EK/PBR 520MRD7 13/48 Chain Kit - ultra-light sprocket: a transmission set designed for motocross/enduro where every gram and every link counts. The 520MRD7 chain from EK CHAIN features a golden finish and a design focused on tensile strength and abrasion resistance, suitable for the demanding conditions of trails and circuits.
- Configuration: 13-tooth sprocket / 48-tooth sprocket (13/48)
- Pitch: 520
- Number of links: 112
- Sprocket: ultra-light aluminum, to reduce unsprung mass
- Color: gold / gold
- Weight: 1.47 kg for 100 links (reference)
- Relative wear index: 450 (for 100 links)
This chain kit is aimed at motocross/enduro riders seeking a lightweight and robust transmission, facilitating riding on rough terrain while maintaining good longevity. The ultra-light aluminum sprocket reduces inertia without compromising compatibility with 520 standards. Suitable for demanding models, including the BETA RR 520 4T (2010–2011 versions); always check compatibility with your motorcycle before installation.
Regular maintenance and tension adjustment are recommended to preserve the performance and lifespan of the chain and sprocket.
