Features High quality steel replacement sprocket Heat treated for extra strength Features NAME SPROCKET TYPE MAIN SHAFT COLOR/FINISH RAW MATERIAL STEEL NUMBER OF TEETH 21 CHAIN SIZE 530 UNITS OF EACH RIDING STYLE STREET MOUNTING POSITION NOTES 1977-1978 Harley-Davidson Sportster 1000 XLT – – 1977-1978 Harley-Davidson Caf Racer XLCR – – 1972-1978 Harley-Davidson Sportster 1000 XLH – – 1972-1978 Harley-Davidson Sportster 1000 XLCH – – 1958-1971 Harley-Davidson Sportster 900 XLCH – – 1957-1971 Harley-Davidson Sportster 900 XLH – – 1954-1956 Harley-Davidson Model KH 900 KH – – 1954-1956 Harley-Davidson Model KHK 900 KHK – – 1952-1953 Harley-Davidson Model K 750 K – – 1952-1953 Harley-Davidson Model KK 750 KK – –