EK/PBR 520M3 Chain Kit 13/49 - ultra-light sprocket by EK CHAIN: a kit designed for motocross riders seeking a lightweight, robust, and visually appealing transmission. This 520M3 kit combines a gold chain and an ultra-light aluminum rear sprocket, suitable for the demands of off-road and competitive riding.
- Type: 520 chain kit (pitch 520)
- Configuration: 13-tooth sprocket / 49-tooth sprocket
- Number of links: 114
- Color: Gold / Gold (chain and sprocket)
- Sprocket material: Ultra-light aluminum, to reduce unsprung mass
- Relative lifespan: 450 (reference for 100 links)
- Indicative weight: 1.36 kg for 100 links
Designed to minimize friction while providing good resistance to tension and abrasion, this transmission is particularly suitable for motocross bikes like the Kawasaki KX 250 F (2011-2012). Classic installation and adjustment: adhere to the torque and tension specifications recommended by the manufacturer during installation. Regularly maintain the chain (cleaning and lubrication) to ensure longevity and performance on the track.