Chain kit EK - Silver chain 520 MRD, Non-sealed, CHK front sprocket JT, CHK rear sprocket SUPERSPROX for KTM SX-F 520 Racing 2000-2002

This specialized chain kit is engineered for off-road racing. The components are optimized for low friction and high durability in demanding terrain, providing excellent resistance to impacts and mechanical wear.

Chain EK MRD

Motocross Race Chains
The MRD7 Series is EK Chains 7th generation motocross specific racing chain. Featuring a revised pin design and CRH chromium carbide coating for maximum wear reduction and performance. A total weight reduction of 3% has been achieved through lightening holes on the inner plates. This also aids in service life as heat is dissipated more quickly and dirt builds up less.

JT Self-Cleaning Steel Front Sprocket

MX-series steel front sprockets are manufactured to exacting tolerances and designed with special self-cleaning grooves for added life and performance. Made from the best chromoly steel and fully heat-treated for maximum durability, the MX range of front sprockets are designed for champions.

Supersprox Racing steel sprocket

Supersprox Racing Steel Sprockets in sleek black finish are designed for both street and off-road motorcycles, developed on world endurance race tracks to meet high-performance demands. They feature laser-cut weight-reduction design to lower rotational mass, extra durable teeth for longer life, and tri-zinc electroplating to prevent rust and corrosion.

PDF Catalogue EK
PDF EK CATALOG