
EK/PBR 520MRD7 13/52 Chain Kit - Ultra-Light Sprocket
This EK CHAIN 520MRD7 chain kit is designed for off-road and motocross practices where reliability and weight savings make a difference. It combines a gold 520 chain with an ultra-light aluminum sprocket to reduce inertia without adding weight to the bike, while maintaining the robustness necessary for intense outings and sessions.
Ideal for those looking to lighten the entire transmission without sacrificing endurance, this kit is aimed at motocross and enduro users. It is compatible with several variants of KTM 400 EXC (2010–2011), among other 400 cc models equipped with 520. Manufacturer reference: Not provided.
Before installation, check the exact compatibility with your model and adhere to the recommended torque settings and alignment to ensure even wear and optimal safety.