FITTING OF THIS PRODUCT: According to the data provided by the manufacturer, this article is valid for the following brands, models and years: BETA RR 498: 2012-2012 GAS GAS EC F 250: 2013-2015 GAS GAS EC F 300: 2013-2015 GAS GAS EC F 450: 2013-2015 GAS GAS EC FSE 400: 2000-2000 GAS GAS EC FSE 450: 2003-2011