Marketing Color: Natural Material: Steel Sprocket Position: Front Sprocket Size: 420 Sprocket Teeth: 12 JT Sprockets are made from the latest generation of computer design and control metal cutting equipment for maximum durability. Front sprockets are made from chromoly SCM420 steel alloy. All sprockets are heat-treated and hand-finished to meet or exceed the highest possible quality standards. This item fits the following vehicle applications: 1982-1983 fits HON C70 2004-2009 fits HON CRF80F 2011-2013 fits HON CRF80F 1986-1987 fits HON TRX70 1977-1979 fits HON XL75 1973-1978 fits HON XR75 1979-1984 fits HON XR80 1985-2003 fits HON XR80R 1972-1978 fits HON Z50A 1979-1989 fits HON Z50R 1991-1998 fits HON Z50R 1988 fits HON ZB50