EK/PBR 420SR Chain Kit 13/51 - Ultra-light Sprocket
Designed for urban riders and small displacement bikes, this EK SR chain kit combines lightness and durability. The ultra-light aluminum sprocket reduces unsprung mass without compromising dimensional stability, while the SR series features a heat treatment of the plates that maintains the flexibility of the chain even after extensive mileage. The result: a smooth transmission and responsive behavior during acceleration in the city or on light trails.
Easy to install on the relevant 50cc models, this kit is aimed at riders looking for a balance between reduced weight and everyday robustness. Ideal for replacing a worn-out set and regaining the feeling of a new chain, it is particularly suitable for the machines listed in compatibility.
- Brand: EK CHAIN
- Pitch: 420
- Configuration: 13 teeth (sprocket) / 51 teeth (sprocket)
- Number of links: 130
- Sprocket Material: Aluminum (ultra-light)
- Color: Steel / Steel
- Weight: 0.75 kg for 100 links
- Life Expectancy Index (reference): 200 for 100 links
For optimal longevity, regularly check the tension and lubrication of the chain after installation. Installation and adjustments are recommended according to your motorcycle's manufacturer manual.
