This chainring dates back to the late 70s early 80s. Faced red ano, would be a good candidate for new ano or powder. I believe the bolt spacing ist 144BCD.

-THE SALE IS FOR A 44T SUGINO CHAINRING (AS PICTURED)
-PRICE INCLUDES GROUND SHIPPING IN CANADA AND TO LOWER 48 ONLY
-WILL SHIP INTERNATIONALLY AT BUYERS EXPENSE
-PLEASE NOTE THAT ITEM SHIPS FROM CANADA
-NO NEGATIVE COMMENTS / PLEASE PM ME WITH YOUR QUESTIONS
-NO TRADES AT THIS TIME
-USE THE BUY NOW BUTTON OR PM FOR PAYPAL INFO
-PAYMENT DUE IMMEDIATELY