EK/JT 520M3 Chain Kit 13/49 - ultra-light sprocket by EK CHAIN: a set designed for motocross riders seeking lightweight and grip on the most demanding tracks. Engineered to reduce friction while providing good resistance to tension and abrasion, this kit meets the challenges of motocross terrains and intense outings.
- Configuration: pitch 520, 114 links (length ready to be adjusted).
- Sprocket: ultra-light aluminum to reduce unsprung mass without sacrificing strength.
- Color: Gold/Gold finish for a racing look and good resistance to superficial corrosion.
- Relative lifespan: index 450 (reference on 100 links).
- Weight: 1.36 kg for 100 links (indicative value).
- Sprocket/wheel: 13/49, ratio favorable for acceleration and jumps.
Ideal for motocross riders on machines like the SUZUKI RM-Z 250 (2017–2019), this kit offers a balance between lightweight and longevity. Standard installation and adjustment: adapt the length by removing links if necessary and check the tension before each ride. Manufacturer reference: Not provided.
