Brake discs (non SDG). PIT BIKE COMPLETE WIRING HARNESS LOOM FOR ELECTRIC START ENGINES QUAD ATV LOOM ryawardl_5(270). Cdi, coil, kill switch. CENTRE HUB HOLE IS 76mm (D in 2nd photo), DIAGONALLY ACROSS MOUNTING HOLES ARE 92mm TO HOLE CENTRES (A to B centres in 2nd photo), 65mm FROM HOLE TO NEXT HOLE CENTRE (A to C in 2nd photo) SPROCKET IS 6mm THICK.
eBay