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russmeyer
Nope. Don’t have to ever touch it.
There was no mention of it in Shimano docs, so called up shimano tech after seeing same thing happen a couple of times. Guy said it was an assembly grub screw to stop the sleeve from rotating further when you tighten the flanged bolt.
Whether that’s true, I have no idea. At this point, you might as well disassemble to see what it really does and educate us all.
@atz 0.5/0.7nm. Who’s gonna buy a torque wrench just for that??