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 - YZ250F 2019 - YZ450F 2016 - YZ250FX 2016 - YZ250F 2016 - YZ450F 2015 - YZ250FX 2015 - YZ250F 2015 - YZ450F 2014 - YZ250F 2014 - YZ450F 2013 - YZ250F 2013 - YZ450F 2012 - YZ250F 2012 - YZ450F 2011 - YZ250F 2011 - YZ450F 2010 - YZ250F 2010 - YZ450F 2009 - YZ250F 2009 - YZ450F