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The RK GB428MXZ4-120 Heavy Duty 428 MXZ/4 chain is engineered for serious motocross racers demanding high-performance durability. Crafted with heat-treated components, this chain is built to withstand the rigorous conditions of competitive racing and off-road riding. Its chromoly steel construction ensures maximum strength and resistance to wear, while seamless rollers and bushings provide smooth operation under intense loads. The oversized alloy pins further enhance durability, making this chain a reliable choice for demanding motocross applications. Included with the chain is a clip connecting link, simplifying installation and maintenance. Whether you're upgrading your bike or replacing worn components, this chain offers exceptional strength and longevity to keep you competitive on the track. Designed for 120-link configurations, it provides a precise fit for a variety of motocross bikes, ensuring optimal power transfer and performance. Trust RK's reputation for quality and innovation with this heavy-duty chain built for the toughest riding conditions.
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