EK/PBR 520M3 13/50 Chain Kit - Ultra-Light Sprocket: a chain kit designed for motocross use, engineered to minimize friction while maintaining good tensile strength and abrasion resistance. Ideal for riders looking for a lightweight and reliable transmission for the demanding conditions of motocross tracks.
- Brand: EK CHAIN
- Manufacturer Reference: Not disclosed
- Configuration: 13-tooth sprocket / 50-tooth sprocket
- Pitch: 520
- Number of Links: 114
- Color: Gold / Gold
- Sprocket Material: Aluminum (ultra-light)
- Relative Lifespan (for 100 links): 450
- Weight: 1.36 kg (kg / 100 links)
The ultra-light aluminum sprocket reduces the added mass to the transmission while providing a solution suitable for jumps, accelerations, and demanding phases of motocross. The 520M3 chain, with a gold finish, facilitates visual maintenance and fits many motocross models — for example, the SUZUKI RM-Z 450 (2017-2019). Standard installation and adjustment: check tension and regular lubrication after installation to optimize the longevity of the kit.