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: BETA RR200 2T RACING 2021 RR250 2T 2013-2021 RR250 Racing 2T 2017-2019 RR300 2T 2013-2021 RR300 Racing 2T 2017-2021 RR350 4T 2013-2019 RR350 4T EFI 2020-2021 RR350 Racing 4T 2020-2021 RR390 4T EFI 2020-2021 RR400 4T 2013-2014 RR430 4T 2015-2019 RR430 4T EFI 2020 RR450 4T 2013-2014 RR480 4T 2015-2019 Beta RR 2T 200 2023 RR 2T 250 2023 RR 2T 300 2023 RR 4T 350 2023 RR 4T 390 2023 RR 4T 430 2023 RR 4T 480 2023