EK/PBR 520M3 12/49 Chain Kit - Ultra-Light Sprocket
This EK CHAIN kit, designed for motocross use, combines a 520M3 chain and an ultra-light aluminum sprocket to reduce unsprung mass. Engineered to minimize friction while maintaining good abrasion resistance, it is aimed at riders seeking a reliable and lightweight setup for training or amateur competition.
- Type: 520M3 chain kit (chain + sprocket + rear sprocket)
- Number of links: 112 (to be shortened according to installation)
- Teeth: 12/49
- Color: Gold/Gold (chain and rivets)
- Sprocket material: Aluminum - ultra-light design
- Pitch: 520
- Stated weight: 1.36 kg / 100 links
- Relative lifespan: 450 (for 100 links)
The golden finish adds an aesthetic touch to motocross bikes while remaining technical. The aluminum sprocket reduces inertia during braking and acceleration, enhancing the machine's responsiveness without compromising power delivery. Easy to install, the 112-link chain can be cut and riveted according to the model's needs.
Compatibility: suitable for motocross models such as KAWASAKI KX 125 (KX125J) 1992–1993 and other 125 cc bikes equipped with a 520 pitch. Manufacturer reference: not provided.
