Kayo OEM rear sprocket for TT125 and TT140 and SSR SR150. 77mm center hole diameter. Uses 4 mounting bolts, not included. 94mm diameter from center of mounting bolt to center of mounting bolt.
Will also fit Tao Motors DBX1 140 dirt bike. Kayo no longer uses the tapered hardware. Older models may need to replace the hardware with traditional bolts instead of tapered.