The EK/JT 520SRX2 14/48 chain kit with ultra-light sprocket is designed for motocross riders seeking a complete transmission ready to tackle tough terrain conditions. Developed by EK CHAIN, this kit combines a 520 SRX2 chain with a 14-tooth sprocket and a lightweight 48-tooth aluminum sprocket to reduce unsprung mass without making unproven claims.
- Brand: EK CHAIN
- Designation: 520SRX2 14/48 chain kit - ultra-light sprocket
- Pitch: 520
- Number of links: 114
- Color: Steel / Steel
- Sprocket material: Aluminum (ultra-light)
- Weight: 1.54 kg for 100 links
- Relative lifespan: 3300 (value for 100 links)
This kit is naturally suited for motocross bikes, particularly for the models listed as compatible (e.g., BETA RR 300 2T X-PRO 2026, BETA RR 300 2T RACE 2025, BETA RR 300 2T RACING 2024). Ideal for a complete transmission change: chain, sprocket, and sprocket provided for easy and clean installation.
Manufacturer reference: Not provided.