Joined: Dec 2015
Posts: 1,955
Likes: 1,242
From: Menomonee Falls, WI
Bikes: 1984 Schwinn Supersport, 1988 Trek 400T, 1977 Trek TX900, 1982 Bianchi Champione del Mondo, 1978 Raleigh Supercourse, 1986 Trek 400 Elance, 1991 Waterford PDG OS Paramount, 1971 Schwinn Sports Tourer, 1985 Trek 670
Square taper wear, never heard of that before, ever. I guess if your swapping between 2 cranks on a regular basis, or grossly over, or under torquing them.
Tim