EK/PBR 520M3 13/49 Chain Kit - ultra-light sprocket: a transmission kit designed for off-road use, aimed at motocross riders seeking lightweight and high-quality finish. This set combines a 520M3 chain and an ultra-light aluminum sprocket with a gold finish for a racing look and a reduction in unsprung mass.
- Type: 520 chain kit
- Configuration: 13-tooth sprocket / 49-tooth sprocket
- Number of links: 114
- Color: Gold / Gold
- Sprocket material: Aluminum (ultra-light)
- Weight: 1.36 kg / 100 links
- Durability index (100 links): 450
Designed for cross/competition use, this kit emphasizes compactness and weight savings at the sprocket. Ideal for enduro outings and races where the precision of the sprocket/sprocket ratio is crucial. For optimal longevity: regularly check the tension, clean and lubricate the chain after each muddy outing, and replace worn components to preserve the entire transmission.
Common compatibilities: suitable for Kawasaki KX 250 (KX250M) models from 2003 and 2004 — however, please check the spacing and compatibility with your model before installation.