motoXstuff » Products Page » Drive » Motorcycle Chains » CHAIN RK 520MXZ4


RK Excel MXZ4 520 Motocross Chain - N(MXZ4) The new GB52OMXZ4 is the lightest and most performing non o-ring chain for off-road use, in the range up to 450cc. This result has been achieved thanks to new components design and to the use of ultimate steel chemical formulation. In particular the outer links, GOLD coloured, have a lightened profile and a thickness of 1,80 mm (inner). Although an extremely reduced weight (with only 1,632 Kg per 120 links is 10% lower than the best competitor’s chain), GB520MXZ4 guarantees an average braking load of 31.400N !!! fully aligned with other products of higher weight


All feature heavier side plates for more strength and resistance to stretch
MXZ racing chains are made for the serious motocross racer with all components heat treated for high-performance durability; chromoly steel construction with seamless rollers and bushings, and oversized alloy pins for added strength




  • Max. Engine Size: 500cc;
  • Tensile Strength: 8,800;
  • Wear Life Index: 300 (Wear life Index should be used as a comparison for probable wear life under identical cicumstances.
  • Think of it as a percent, with standard chains being 100).



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Price: from $190.00

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