Shinko 523 Series Tire K Type CV Boots shaft or shock reservoir K Type Snow Plow Push Frame Locks shaft or shock reservoir Model From year To Year 125 RR 2T 2018 2022 CR 125 R 1983 1984 CR 125 R 1985 1985 CR 125 R 1986 1986 CR 125 R 2004 2007 CR 125 R 1987 1996 CR 125 R 1997 1997 CR 125 R 1998 1999 CR 125 R 2000 2001 CR 125 R 2002 2002 CR 125 R 2003 2003 CR 250 R 1988 1991 CR 250 R 1992 1995 CR 250 R 1996 2001 CR 250 R 2005 2007 CR 500 R 1988 1991 CR 500 R 1992 1999 CRE 450 F Enduro 2004 2005 CRE 450 F Enduro 2006 2006 CRF 150 F 2003 2006 CRF 150 F 2007 2022 CRF 230 F 2003 2022 CRF 230 F 3 Featuring high carbon compound tread designs Reinforced knobs resist tearing and chucking while providing consistent grip