Description:

Compatible with 2010-2012 Beta Motor RR450, 2012 Beta Motor RR498. Compatible with 2010-2014 Beta Motor RR520. Pitch 520. Kit includes 1 Front 13 tooth drive sprocket, and 1 Rear 48 tooth drive sprocket; Sprocket Material consists of SAE 1023 structural carbon steel. Hub Inner Diameter 22mm; Hub 2 (ID) 25mm; Hub Inner Diameter 120mm; Mounting Hole (ID) 10.5mm; Distance Between Mounting Holes (ID) 140mm.