Originally Posted by
fietsbob
Period pieces . you need a time machine or classifieds/craig's list & Auction Luck ..
they're smaller than standard and Were made by Sugino in-house..
the swaged on chainring/crank , shown, was the lowest cost option.
Thanks for the info. the outer screws are in pretty good shape, I'll break out the toothbrush and get those cleaned up and order a double chainring bolt set. Thanks to both of you