EK/PBR 520MRD7 Chain Kit 13/50 - Ultra-Light Sprocket
Designed by EK CHAIN for motocross use, this 520MRD7 chain kit combines lightness and durability for outings and race days. The 520 pitch chain, finished in Gold/Gold, comes with a 13-tooth sprocket and an ultra-light 50-tooth aluminum rear sprocket, reducing unsprung mass without compromising transmission. Ideal for those seeking responsive precision and a "race" aesthetic on an off-road machine.
- Type: 520 Chain Kit (EK/PBR)
- Sprocket / Rear Sprocket: 13 / 50 (ultra-light aluminum rear sprocket)
- Number of Links: 114
- Color: Gold / Gold
- Pitch: 520
- Weight: 1.47 kg for 100 links
- Relative Lifespan: 450 (for 100 links)
Targeted compatibility for motocross models, notably SUZUKI RM-Z 250 (2021 to 2023). To ensure longevity and performance, adhere to cleaning and lubrication intervals, and regularly check the tension and installation of the tensioner. The kit can be shortened or adjusted during installation to fit your specific setup. Manufacturer reference: not provided.