The Disc and Bottom Fork Protector can be installed in only 4 minutes without the need to disassemble the wheel unlike the conventional disc guards. The part offers extended protection of the brake disc and the bottom of the fork using two different parts to do it: Bottom Fork Protector and Disc Protector. The Bottom Fork Guard is model specific and can be used individually. If you want to protect the Brake Disc just add the Universal plastic part of the disc protection quickly and easily. Fits: Yamaha YZ125 2008-2009 2011-2021 YZ250 2008 2011-2014 2017-2021 YZ250F 2009 2011-2021 YZ250FSP 2021 YZ250FX 2016-2017 2019-2021 YZ450F 2009 2011-2015 2017-2021 YZ450FSP 2021 YZ450FX 2016-2021