EK/JT 520MRD7 13/50 Chain Kit - ultra-light sprocket: a set designed for motocross where every gram and every link counts. This 520 chain in Gold/Gold combines a robust construction with an ultra-light aluminum sprocket (50 teeth) and a 13-tooth pinion to reduce inertia and improve acceleration response on muddy and bumpy tracks.
- Type: 520 chain kit (chain + 13-tooth pinion + 50-tooth sprocket)
- Number of links: 114 links
- Color: Gold / Gold
- Sprocket material: ultra-light aluminum
- Weight: 1.47 kg / 100 links
- Relative wear index: 450 (for 100 links)
Designed to minimize friction while providing good resistance to tension and abrasion, this EK CHAIN reference is aimed at motocross and enduro riders looking for a balance between lightness and durability. The gold finish gives a racing look and facilitates visual control of wear and lubrication. Standard installation and adjustment on the swingarm: check tension and proper alignment after installation.
Notable compatibility: suitable for 125 cross machines, listed on models such as BETA RR 125 2T (2022), BETA RR 125 4T ENDURO LC (2021), and BETA RR 125 2T RACING (2021).
Manufacturer reference: Not provided
