FITTING OF THIS PRODUCT: According to the data provided by the manufacturer, this article is valid for the following brands, models and years:AUTHOR A6603 2003 AUTHOR A7703 2003 JAN JANSSEN VECTOR 2002 RALEIGH TEAM 2003-2004 RIDLEY CROSSWIND 2006 RIDLEY DAMOCLES RIDLEY DEAN FORCE 2012 RIDLEY DEAN RS 2012 RIDLEY HELIUM 12 2012 RIDLEY NOAH RS 2011-2012 RIDLEY SUPERCROSS STEVENS STRADA 800 2013-2014 STEVENS STRADA 900 2013-2014 WILIER LAVAREDO