Chain kit D.I.D Chain - Zlat chain 520 ERVT, X-ring (X, NX, QX, XS), CHK front sprocket JT, CHK rear sprocket SUPERSPROX for YAMAHA WR 250 F 2001-2006

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. ERVT

Strength. Chain Life. Lightweight. Slim Profile. The 520ERVT X-Ring sealed chain is arguably our most well-rounded, do it all chain! Part of our Exclusive Racing Series, the 520ERVT is designed with off-road rally style racing in mind for its long chain life, lightweight design, and great strength.
With its slim profile, this chain is also a great option for the Honda L series of bikes.

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 D.I.D catalogue