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Does anyone know the definitive reason some people are tearing pivot cups and some aren’t? Is it just inconsistent
quality control?
Here is my theory:
When I got my 77s, I made sure the pivot cavity was perfect. After 6 or so sessions, I noticed the cup was ripped and I suddenly had a small divot on the right side of the baseplate pivot cavity.
I think after tearing the cup, the hanger was making contact with this. Basically metal on metal. Now replacement cups tear in 20 minutes because they get compressed and rip in the same area.
So it’s either the geometry putting extra stress on the pivot or just soft shitty cups
shitty pivot cup quality has happened to a large stock of Indy HIs around the time they released the mid.
Shitty quality rapidly makes a hole in your pivot cup and the head of the hanger that goes there just grinds the inside of the baseplate well.
it quickly gets sharper and pointier and your hanger is fucked, ripping through cups
you can try to sand the hanger head to make it rounder and remove the edges. You'll lost some matter, it might change the geometry a lil bit but you can maybe make it work. It's probably too late though
It's a defect, no question.
You deserve a new truck from ACE (at least a new hanger), tell them
they already know...