D.I.D.'s professional high-performance non O-ring chainDHA pin treatment - hard chromium-carbide layer formed on pin surfaceFar better wear resistance than other chainsUp to 19% higher tensile strengthIncreased anti-oxidation performanceSolid bushings, quad-riveted pinsOriginally comes with clip connecting link Chain Size530Chain Type530 NZColor/FinishSilverNumber of Links110Product NameDrive ChainUnitsEachVendor part number4525516171205