Benefits at a glance Extend service life The electroplating process provides rustproof protection and longterm wear resistance, helping your bike chain last longer. Anticracking and strength Hardened heat treatments boost buckle hardness and toughness, making the reusable missing link anticracking and antipressure for a smooth and safe ride during speed and braking. Time and cost saver Designed for reuse, the missing link allows multiple disassemblies without tools, reducing downtime and maintenance costs. Note: we recommend not using it beyond five times. Wide range of use Extends the life of your vintage car chain, dead bike chain, classic car chain, stroller chain, or city car chain. Practical use scenarios Bike restoration and maintenance Use on vintage or classic bicycles to enable quick field maintenance and reuse across multiple service cycles without requiring extra tools. Daily urban and classic vehicle use Keep chains in reliable condition for vintage cars, classic cars, or city bikes, reducing downtime and preserving chain integrity through repeated use. Stroller and city equipment upkeep Maintain the chain on strollers or cityuse machinery, extending overall chain life with easy disassembly and reuse.