@Jaap recently took off the ano of a set of Rotor track cranks with a week long caustic soda bath.
Yowser, sounds like I might have underestimated the task ahead!
The right one is after a week in a caustic soda bath, completely saturated the water. The left after some light sanding: This is what they looked like after a day of polishing:
@Josē started
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@Jaap recently took off the ano of a set of Rotor track cranks with a week long caustic soda bath.