Easy to apply, the Acerbis X-grip frame guard will give you immediate improvement in controlling your bike. Protects the frame in the maximum friction area Use of rubber to increase grip and therefore control of the motorcycle Easy assembly and dismantling with expander and plastic bands Fits: Yamaha WR250F 2017-2019 WR450F 2016-2018 YZ250F 2017-2018 YZ250FX 2015-2019 YZ450F 2016-2017