Premium manufacturer front sprocket, rear sprocket and a precut Regina chain make a convenient kit for the dealer or consumer, Sprockets are made of high-quality steel and have OEM gearing, 525 ZRT Drive Chain, Aimed at touring road use, these chains ensure high mileage with reduced elongation thanks to the seal, Assembled with solid bushings and rollers, shot peening of plates, pins and rollers to increase fatigue resistance, Submitted to performance-enhancing pre-stretching and available in several quality levels to ensure the right type of chain for every application