Description:

Compatible with 2006-2011 Gilera RCR 50, 2006-2010 Gilera SMT 50. Compatible with 2006-2016 Aprilia RX 50, 2006-2011 Aprilia SX 50. Compatible with 2006-2016 Derbi Senda 50R 2006-2016 Derbi Senda 50 SM. Kit includes 1 Front 11 tooth 420 pitch drive sprocket, and 1 Rear 53 tooth 420 pitch drive sprocket; Sprocket Material consists of SAE 1023 structural carbon steel. Hub Inner Diameter 21mm; Hub 2 (ID) 25mm; Distance Between Mounting Holes (ID) 42mm; Hub Inner Diameter 80mm; Mounting Hole (ID) 10.5mm; Distance Between Mounting Holes (ID) 104mm.