FITTING OF THIS PRODUCT: According to the data provided by the manufacturer, this article is valid for the following brands, models and years: GAS GAS EC FSE 400: 2000-2000 GAS GAS EC FSE 450: 2003-2011 GAS GAS EC/MC 250: 2001-2010 GAS GAS EC/MC 300: 2001-2010 GAS GAS SM 450: 2013-2013 GAS GAS SM 515: 2013-2013 GAS GAS SM FSE 400: 2003-2004 GAS GAS SM FSE 450: 2003-2004