EK/JT 520M3 Chain Kit 12/50 - Ultra-Light Sprocket
Designed for motocross, this chain kit combines a 520M3 chain and a pair of sprockets suitable for lightweight configurations in the category. Ideal for setups where weight and durability must go hand in hand, it is aimed at riders seeking a reliable transmission to tackle the demands of the terrain.
- Brand: EK CHAIN
- Manufacturer Part No: Not provided
- Kit Composition: 520M3 chain — 112 links + 12-tooth sprocket + 50-tooth ultra-light aluminum sprocket
- Color: Gold / Gold
- Pitch: 520
- Weight: 1.36 kg / 100 links (reference)
- Relative Lifespan: 450 (for 100 links, indicative value)
The ultra-light aluminum sprocket reduces unsprung mass, while the 520M3 chain offers a design suited for off-road demands: repeated traction, impacts, and abrasion. Easy installation to replace your original transmission and regain precise behavior during gear changes and acceleration.
Common compatibilities: YAMAHA YZ 125 (1984–1985) — check the number of teeth and pitch before installation to ensure fitment on your motorcycle.
