Very informative! Wow, it boggles the mind that Ming Cycle could be so careless, especially with keeping their assembly process uniform and setting the preload on the cup spring! It’s a great thing you and the dedicated mechanics you’ve worked with have come together to tackle the issue and find the root cause.
I’m anxious to see what the measurements of my Strida’s protruding axle stump are. The one day I don’t bring it to the office with me…
Amazing work!