Chain kit D.I.D Chain - Zlat chain 520 ERT, Non-sealed, CHK front sprocket JT, CHK rear sprocket SUPERSPROX STEALTH for KTM EXC (XC) 300 2000-2003

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 D.I.D. ERT

The non-sealed ERT3 chain is our best-selling motocross chain and is used by factory race teams such as Monster Energy Kawasaki, Star Racing Yamaha, Honda HRC, Red Bull KTM, Factory HEP Suzuki, and more!
Thanks to its strength-to-weight ratio, this chain is a favorite among riders across many racing disciplines, especially in the 250 class.

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 Stealth Rear Sprocket

Supersprox Stealth Bi-Metal Rear Sprockets feature a patented combination of steel teeth and an aluminum core. This design delivers 3× the lifespan of aluminum sprockets while being up to 30% lighter than all-steel alternatives. By reducing friction, they extend chain kit longevity, enhance bike performance and appearance, and are available in various colors to fit 99% of street and off-road motorcycles.

PDF D.I.D catalogue