The EK/PBR 520MRD7 14/48 chain kit - ultra-light sprocket is designed for motocross riders looking for a lightweight and reliable drivetrain. Engineered to minimize friction, it combines a high-performance 520 chain with an ultra-light aluminum rear sprocket to reduce unsprung weight and enhance the bike's agility on demanding terrains.
- Type: Complete chain kit (14-tooth sprocket / 48-tooth sprocket)
- Pitch: 520
- Number of links: 114
- Color: Gold/Gold
- Sprocket material: Aluminum (ultra-light version)
- Weight: 1.47 kg for 100 links
- Durability index: 450 (reference 100 links)
- Brand: EK CHAIN — manufacturer reference: not disclosed
Ideal for competition and enduro/cross outings, this kit prioritizes lightweight design without sacrificing tensile strength and abrasion resistance. Compatible with 520-equipped configurations, it is particularly suited for Kawasaki KX 250 (1990 and 1991 models). Regular installation and maintenance are recommended to get the best performance from this drivetrain on the track.