EK CHAIN PBR 520M3 13/49 - Standard Rear Sprocket Chain kitYAMAHA 125 WR 125 Z - 2002 - 2003Ref : EKC04297A / 3069388

EK/PBR 520M3 13/49 Chain Kit - Standard Sprocket by EK CHAIN. Specifically designed for the Cross environment, this chain kit combines robustness and meticulous finishing for 520 transmissions. Ideal for off-road motorcycles subjected to abrasive conditions, it offers a 13/49 sprocket/crown combination suitable for stock settings.

• Type: 520M3 Chain Kit (13-tooth sprocket / 49-tooth crown)
• Number of links: 112 (adjustable by removing links as needed)
• Pitch: 520
• Color: Gold / Gold (aesthetic and anti-corrosion finishes)
• Crown material: Steel (durability and shock resistance)
• Weight: 1.36 kg for 100 links
• Relative lifespan (100 links): 450

The M3 construction by EK minimizes internal friction while maintaining good tensile strength and abrasion resistance — characteristics sought by motocross riders. The kit comes ready to install and is particularly suitable for YAMAHA WR 125 Z (2002 and 2003) and other machines equipped with a 520 drivetrain. For optimal longevity, regular tension adjustments and appropriate lubrication after each muddy or dusty ride are recommended.