Description Details Each Pivot Works Wheel Bearing kit is comprised of bearings and seals that meet or exceed OEM quality standards. For Motorcycle's the kit includes seals and bearings to completely do the rear wheel. For ATV riders there is no need to buy two kits since each Pivot Works kit includes everything you need for the rear wheels. Fits - Yamaha 2019 - YZ250FX 2019 - YZ450FX 2016 - YZ250FX 2016 - YZ450FX 2016 - WR250R 2016 - WR250F 2016 - WR450F 2015 - YZ250FX 2015 - WR250R 2015 - WR250F 2015 - WR450F 2014 - WR250R 2014 - WR450F 2013 - WR250R 2013 - WR250F 2013 - WR450F 2012 - WR250R 2012 - WR250F 2011 - WR250R 2011 - WR250X 2011 - WR250F 2011 - WR450F 2010 - WR250R 2010 - WR250X 2009 - WR250R 2009 - WR250X 2009 - WR250F 2009 - WR450F 2008 - WR250R 2008 - WR250X 2008 - WR250F 2008 - WR450F 2007 - WR250F 2007 - WR450F 2006 - WR250F 2006 - WR450F 2005 - WR250F 2005 - WR450F 2004 - WR250F 2004 - WR450F