Chain kit D.I.D Chain - Zlat chain 520 MX, Non-sealed, CHK front sprocket JT, CHK rear sprocket SUPERSPROX for YAMAHA YZ 250 1987-1992

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. MX

The non-sealed 520MX boasts our highest rated tensile strength among non-sealed chains at 8,930 lbs. and properly handles the beating that chains take during tough, off-road races.
Trusted and used by teams and champions such as Troy Lee Designs/Red Bull GasGas, Red Bull KTM, 8X ATVMX champion, Chad Wienen, and more!
Because of its incredible strength, this is the go-to chain for riders across a multitude of racing disciplines, especially among the 450 class.

JT Steel Front Sprocket

JT Steel Front Sprockets are manufactured using only the finest grade of SCM420 chromoly steel alloy. The JT Steel Sprockets range now contains over 2,500 parts for all motorcycles and ATVs.

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.

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