TA Specialites crankset, French threads
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Image: https://cimg2.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/bc5d140f_c69a_494c_a7dc_5cb8401ab811_7d8944f2f4a6aeaf565fabaac22806ab35b64a37.jpeg Rings are 40/52.
The bolt covers should be replaced or modified. Holes are rounded. I was able to get one off with a hex, but had to drill an...