EK CHAIN 520M3 Chain Kit 14/50 - Ultra-light Sprocket
Specifically designed for motocross use, this 520M3 chain kit combines a treated chain and an ultra-light aluminum sprocket to reduce unsprung weight without sacrificing strength. Ideal for demanding terrains, it is engineered to minimize friction while providing resistance to traction and abrasion suitable for off-road competition constraints.
- Color: Gold/Gold
- Pitch: 520 (motocross size)
- Number of Links: 114
- Sprocket: Ultra-light aluminum (14/50 ratio included)
- Weight: 1.36 kg / 100 links (reference)
- Relative Lifespan: 450 (for 100 links, manufacturer data)
Designed for demanding riders looking to gain responsiveness at the rear wheel through reduced mass. Suitable for the listed motocross bikes and compatible with many 250 cc models like the YZ; please check the number of links and spacing before installation and adjustment. Regular maintenance and tension adjustment are essential to preserve the longevity of the kit.
Compatibility (examples): YAMAHA YZ 250 (2026, 2021 CG23), YAMAHA YZ 250 X (2020).
Manufacturer reference: not provided.