Joined: Jan 2019
Posts: 1,984
Likes: 1,032
From: Toledo Ohio
Bikes: 1964 Huffy Sportsman, 1972 Fuji Newest, 1973 Schwinn Super Sport (3), 1982 Trek 412, 1983 Trek 700, 1989 Miyata 1000LT, 1991 Bianchi Boardwalk, plus others
I thought of that, but the marks go nearly to the bottom of the tapers. The cranks would have surely popped free long before the extractor would have been threaded that deep. The many others seen on internet searches would have all have suffered the same fate.