
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.
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.