💯【High-quality steel】：The links of the bicycle chain are made of high-quality steel, which, after fine treatment and precision machining, repeated forging and strict material control, has high strength and rigidity, strong, oxidation-resistant, rust-proof and durable.💯【Smooth surface, fine polish】：Polished surface and oiled inside to prevent rust and corrosion.Smooth edges do not hurt the bicycle chain and ensure smooth chain running.Smooth edges do not damage the bicycle chain, which contributes to smooth chain rotation.💯【High compressive strength】：This product has been repeatedly forged under strict material control to ensure its strength and rigidity.The tensile strength is up to 950kgf, suitable for temporary use or bicycle chain repair.High quality products can provide a safer guarantee for your life.💯【Easy installation, practical and convenient】： 1. The first chain at both ends of the chain extends from the chain 2. Fix the clasp in the inner sleeve of the chain.3. Insert the fasteners at each end into the center axis of each other and tighten with reverse force.💯【Good replacement】：Our bicycle chain links can not only directly replace old or broken chains, but also can be used repeatedly under certain circumstances.The chain is easy to assemble and disassemble and is suitable for mountain bikes and racing bikes.