Rear brake lever Derbi GPR, Aprilia RS50 Pedal of brake of occasion of origin for motorcycle 50cc Derbi GPR, GPR Nude from 2004 to 2010 and Aprilia RS 50 from 2006 to 2010. Technical characteristics and dimensions Colour : grey Rayee, see photos Butt length: 185mm Tuge diameter: 6mm Diameter fixing axis: 14mm