
The EK/PBR 520MRD7 13/48 chain kit combines a high-quality 520 chain with an ultra-light aluminum sprocket, designed for the motocross world. Finished in gold/gold for a visible look on the transmission, this kit consists of a 112-link chain with a 520 pitch and a 13/48 sprocket/crown set ready to install on compatible machines.
This kit is designed for motocross practices where transmission reliability and ease of maintenance are important. It is particularly suitable for Yamaha YZ 125 (CE09/CE10/CE13) models from 2002 to 2004 — please verify exact compatibility with your model before installation. Installation and adjustment by a professional or according to the manufacturer's manual are recommended to ensure proper tension and alignment.