EK/PBR 520M3 Chain Kit 13/50 - Ultra-Light Sprocket
Designed for motocross and competitive requirements, this EK CHAIN kit combines strength and lightness. Ideal for those seeking a reliable transmission, it includes a 520M3 chain and a 13-tooth sprocket / 50-tooth sprocket, with the sprocket made of ultra-light aluminum to reduce unsprung mass without compromising track performance.
- Color: Gold / Gold
- Pitch: 520
- Number of Links: 114 (ready-to-install kit)
- Relative Lifespan: 450 (for 100 links)
- Sprocket Material: Aluminum (ultra-light)
- Weight: 1.36 kg / 100 links (approximately 1.55 kg for 114 links)
The construction of the EK M3 chain prioritizes tensile strength and abrasion resistance while minimizing friction for a smooth and progressive transmission. This kit is suitable for motocross bikes where the reliability of the final drive and weight reduction impact agility and responsiveness. Installation is designed for a 13-tooth sprocket and a 50-tooth sprocket — check the alignment and tension after the first few kilometers.
Manufacturer Reference: Not provided