
The EK/PBR 520MRD7 13/48 chain kit - standard sprocket is designed for motocross riders looking for a robust and reliable transmission to tackle demanding terrains. The 520 MRD7 chain, finished in Gold/Gold, features a competition-oriented design to minimize friction while providing good resistance to traction and abrasion.
Designed to be mounted on motocross machines (e.g., KTM 250 SX 2014–2016), this kit offers a gearing suitable for the terrain while facilitating regular maintenance: checking tension, lubrication, and alignment are essential to maximize longevity. Ideal for replacing a worn transmission or preparing a race bike, this kit focuses on the durability of the components and a finish recognized by demanding riders.