JT Steel Sprockets are the OEM quality choice, manufactured using only the finest grade of C49 high carbon steel for the rear sprockets, and SCM420 chromoly steel alloy for the front sprockets.
Fits:

Hyosung GD250R X4R All, Hyosung GT250 iR EFI 2015, Hyosung GT250 iR EFI 2016, Hyosung GT250 R 2010, Hyosung GT250 R 2011, Hyosung GT250 R 2012, Hyosung GT250 R 2013, Hyosung GT250 R 2014, Hyosung GT250 R 2015, Hyosung GT250 R 2016, Hyosung GT250 R EFI LAMS 2013, Hyosung GT250 R Sport 2007, Hyosung GT250 R Sport 2008, Hyosung GT250P 2013, Hyosung GT250P 2014, Hyosung GT250P 2015, Hyosung GT250P Comet 2007, Hyosung GT250P Comet 2008, Hyosung GT250P Comet 2009, Hyosung GT250P Comet EFI 2010, Hyosung GT250P Comet EFI 2011, Hyosung GT250P Comet EFI 2012, Hyosung GT250P Comet EFI LAMS 2013, Hyosung GT250R 2012, Hyosung GT250R 2013, Hyosung GT250R 2015, Hyosung GT250R 2016, Hyosung GV250 Aquila 2010, Hyosung GV250 Aquila 2011, Hyosung GV250 Aquila 2012, Hyosung GV250 Aquila 2013, Hyosung GV250 Aquila 2014, Hyosung GV250 Aquila 2015, Hyosung GV250 AQUILA 2003, Hyosung GV250 Aquila 2003, Hyosung GV250 Aquila 2004, Hyosung GV250 AQUILA 2004, Hyosung GV250 AQUILA 2005, Hyosung GV250 Aquila 2005, Hyosung GV250 Aquila 2006, Hyosung GV250 AQUILA 2006, Hyosung GV250 Aquila 2007, Hyosung GV250 AQUILA 2008, Hyosung GV250 Aquila 2008, Hyosung GV250 AQUILA 2009, Hyosung GV250 Aquila 2009, Yamaha TW200 ER 2002, Yamaha TW200 ER 2003, Yamaha TW200 ER 2004, Yamaha TW200 ER 2005, Yamaha TW200 ER 2006, Yamaha TW200 ER 2007, Yamaha TW200 ER 2008, Yamaha YFS200 Blaster 2WD 1988 - 2000, Yamaha YFS200 Blaster 2WD 2001, Yamaha YFS200 Blaster 2WD 2002, Yamaha YFS200 Blaster 2WD 2003, Yamaha YFS200 Blaster 2WD 2004, Yamaha YFS200 Blaster 2WD 2005, Yamaha YFS200 Blaster 2WD 2006, Yamaha YFS200 Blaster 2WD 2007, Yamaha YFS200 Blaster 2WD 2008