On 5/18/2017 1:48 PM, wrote:
I recently removed my pedals for transport and realized that the blemish I previously dismissed as a strange scratch in the crank must surely be a crack.
It is at the end of the right crank arm, in the middle, well around, and _parallel with the plane of the chainrings_. That is, if it were to prpogate, it would split the pedal theads in half, left and right.
I will replace it, but has anyone ever seen this?


Yes. (more commonly in the other plane)

Here are mo
http://pardo.net/bike/pic/fail-001/FAIL-001.html
Still mo
http://pardo.net/bike/pic/fail-001/000.html

--
Andrew Muzi
www.yellowjersey.org/
Open every day since 1 April, 1971