
EK/JT 520H Chain Kit 13/49 - Ultra-Light Sprocket
Designed for off-road demands, this chain kit combines the reliability of EK CHAIN with an ultra-light aluminum rear sprocket to reduce unsprung mass without compromising transmission efficiency. Ideal for motocross, it aims for a good balance between longevity and weight to keep the bike agile in technical sections.
This kit is aimed at motocross riders looking to enhance rear wheel response by reducing rotating mass while maintaining a robust chain. Installation and adjustment according to manufacturer recommendations are advised. Common application example: YAMAHA YZ 125 (1988 - 125 cc).