Description:

Compatible with: Derbi 2004-2013 GPR 50 Nude, 2004-2013 GPR 50 Racing, 2007-2016 Senda SM 50 DRD. Compatible with: Aprilia 2006-2013 RS 50, 2012-2016 RS4 50, 2012-2016 SX 50. Compatible with: Gilera 2011-2016 SMT 50. Pitch: 420, Teeth: 53; Sprocket Material consists of SAE 1023 structural carbon steel. Hub Inner Diameter 108mm; Mounting Hole (ID) 6.5mm; Distance Between Mounting Holes (ID) 123mm.