Marketing Color: Natural Material: Steel Sprocket Position: Rear Sprocket Size: 520 Sprocket Teeth: 48 JT Sprockets are made from the latest generation of computer design and control metal cutting equipment for maximum durability. JT rear sprockets are made from the finest C45 high carbon steel. All sprockets are heat-treated and hand-finished to meet or exceed the highest possible quality standards. Induction hardened with black zinc finish available on certain sprockets. This item fits H-D the following vehicle applications: fits YAM TTR230 2011-2020 fits YAM TTR230 2005-2009 fits YAM WR250F 2015-2020 fits YAM WR250F 2011-2013 fits YAM WR250F 2001-2009 fits YAM WR400F 1999-2000 fits YAM WR426F 2001-2002 fits YAM WR450F 2011-2020 fits YAM WR450F 2003-2009 fits YAM YZ125 1999-2020 fits YAM YZ125X 2020 fits YAM YZ250 1999-2020 fits YAM YZ250F 2001-2020 fits YAM YZ250FX 2015-2020 fits YAM YZ250X 2016-2020 fits YAM YZ400F 1999 fits YAM YZ426F 2000-2002 fits YAM YZ450F 2003-2020 fits YAM YZ450FX 2016-2020