FITTING OF THIS PRODUCT: According to the data provided by the manufacturer, this article is valid for the following brands, models and years: APRILIA RS (Derbi D50B) 50: 2006-2011 APRILIA RS4 (Derbi D50B) 50: 2011-2014 APRILIA RX (Derbi D50B) 50: 2006-2013 APRILIA SX (Derbi D50B) 50: 2006-2013 DERBI GPR Racing (Derbi D50B) 50: 2006-2013 DERBI Senda DRD (Derbi D50B) 50: 2006-2013 GILERA RCR (Derbi D50B) 50: 2006-2012 GILERA SMT (Derbi D50B) 50: 2006-2012 VALENTI RACING RME (Derbi D50B) 50: 2006-2013 VALENTI RACING SM (Derbi D50B) 50: 2006-2013