The 415 Chain Heavy Duty is designed for 2-Stroke 49cc, 66cc, and 80cc motorized bicycles. With a length of 110 links, this chain is compatible with many brands, including Chinese dirt bikes, pit bikes, and ATVs, such as TaoTao, Buyang, Coolsports, Lifan, Kazuma, and SUNL. It also fits some Honda dirt bike models that use a 428 chain. Made from durable carbon steel, it ensures strength and longevity. This package comes complete with one 415 chain and six spare master links, providing everything needed for a reliable and smooth ride on your motorized bicycle.