- Designed to outlast standard aluminum rear sprockets and is much lighter than steel rear sprockets
- Inner ring is made from 7075 T6 aluminum and the outer ring is made from heavy duty steel
- Self-cleaning mud grooves between each tooth to prevent dirt build up
Yamaha -- YZ 125 -- (2020, 2019, 2021, 2004, 2007, 2003, 2012, 2009, 2001, 2006, 1999, 2005, 2013, 2014, 2000, 2010, 2011, 2002, 2015, 2008, 2017, 2016, 2018); Yamaha -- YZ 250 X -- (2017, 2019, 2018, 2016, 2021, 2020); Yamaha -- YZ 450 FX -- (2017, 2021, 2019, 2018, 2020, 2016); Yamaha -- YZ 250 F -- (2019, 2018, 2020, 2021, 2004, 2011, 2002, 2006, 2009, 2013, 2001, 2014, 2010, 2008, 2005, 2007, 2003, 2012, 2015, 2017, 2016); Yamaha -- WR 250 F -- (2019, 2020, 2021, 2001, 2003, 2013, 2005, 2010, 2008, 2015, 2006, 2011, 2012, 2002, 2014, 2004, 2007, 2009, 2016, 2017, 2018); Yamaha -- YZ 250 FX -- (2020, 2021, 2016, 2019, 2018, 2017); Yamaha -- WR 450 F -- (2020, 2021, 2019, 2008, 2015, 2004, 2007, 2014, 2005, 2006, 2003, 2013, 2010, 2011, 2009, 2012, 2016, 2017, 2018); Yamaha -- TT-R 230 -- (2020, 2021, 2019, 2018, 2007, 2008, 2006, 2011, 2009, 2005, 2015, 2010, 2014, 2012, 2013, 2017, 2016); Yamaha -- YZ 250 -- (2019, 2020, 2021, 2007, 2001, 2009, 2012, 2003, 2008, 2014, 2004, 2015, 2005, 2011, 2002, 1999, 2010, 2000, 2013, 2016, 2017, 2006, 2018); Yamaha -- YZ 125 X -- (2020, 2021); Yamaha -- YZ 450 F -- (2020, 2021, 2018, 2019, 2005, 2006, 2004, 2009, 2012, 2015, 2010, 2003, 2014, 2007, 2013, 2008, 2016, 2017, 2011); Yamaha -- WR 426 F -- (1999, 2000, 2002, 2001); Yamaha -- IT 250 -- (1983, 1981, 1982); Yamaha -- YZ 426 F -- (2002, 2001, 1999, 2000); Yamaha -- WR 400 F -- (1999, 2000, 2001, 2002); Yamaha -- YZ 400 -- (2000, 1999, 2001, 2002)