DID 520 VX3 rivet link gold X ring hollow Chain connection motorcycle joint ZJ

DID 520 pitch VX3 X ring gold chain hollow rivet link. This is a new DID chain 520 pitch VX3 X ring chain gold hollow rivet link. This special procedure is created on the surface of a hard outer layer, the bolt core remains soft; the shocks the chain endure are then absorbed easily.

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