... Color: blue ,self color . Motorcycle Chain : 1. Mafactured by Hangzhou Vision Chain Company for more than 16 years . 2 ... . All types for chain : 420,428,428h,520,530,630,25,25h, ... 3. And also bicycle chain : 081,083,415 4. always in 100links/pc , ... in China 6. Color : blue color , self color , zinc plate , nickel plated , brass plated ,etc 7. Welcome your inquiry ...