EK/PBR 520MRD7 Chain Kit 13/50 - Ultra-light Sprocket
Designed for demanding motocross riders, this EK CHAIN kit combines lightness and strength. The 520MRD7 chain, in gold/gold finish, aims to minimize friction while maintaining good tensile strength and abrasion resistance—essential qualities for muddy and rocky terrains. The ultra-light aluminum sprocket reduces unsprung mass for a more responsive rear wheel behavior without compromising race performance.
- Brand: EK CHAIN
- Type: 520 Chain Kit
- Pitch: 520
- Number of Links: 114
- Color: Gold / Gold
- Sprocket Material: Aluminum (ultra-light)
- Relative Lifespan (for 100 links): 450
- Weight (kg / 100 links): 1.47 kg
- Manufacturer Reference: Not provided
Ideal for motocross outings and intensive training, this kit is aimed at riders seeking a reliable and lightweight transmission. Compatibility examples: YAMAHA YZ 250 F (2022, 2021 CG40) and YZ 250 FX (2020). For optimal longevity, adhere to proper installation, adjustment, and maintenance (regular lubrication and tensioning).
