EK/JT 520M3 13/50 Chain Kit - ultra-light sprocket by EK CHAIN: a chain kit designed for motocross, tailored for riders who demand lightness and durability on challenging terrains. The combination of a treated chain and an ultra-light aluminum sprocket reduces unsprung mass for a more agile performance without compromising wear resistance.
Designed for competitive use, this kit ensures reliable transmission in the muddy and abrasive environments of motocross. Gold/gold finish for an aesthetic touch and protection against corrosion. Ideal for classic machines like the YAMAHA YZ 125 (1987 - 125 cm3) and other trail/cross bikes using the 520 pitch.
- Pitch: 520
- Sprocket / Sprocket: 13/50
- Number of links: 112
- Color: Gold / Gold
- Sprocket material: Aluminum (ultra-light)
- Relative lifespan: 450 (for 100 links)
- Weight: 1.36 kg / 100 links (reference)
A technical choice for motocross riders seeking a balance between lightness and abrasion resistance. Manufacturer reference: Not disclosed.