Secure and stable Acerbis X-Brake mounting kits for MX motorbike Flange fits all Acerbis front disc covers (including X-Brake, X-Brake 2.0) Takes advantage of the wheel axle by replacing the OEM spacer Made of aluminium for the best combination of being lightweight and strong Finished in natural aluminium or black anodised Fits: Yamaha WR250F 2020-2021 WR450F 2020-2021 YZ250F 2014-2021 YZ250FX 2015-2021 YZ450F 2014-2021 YZ450FX 2016-2021