Couldn’t get one out and had to warranty whole shifter!
Luckily always managed to remove them with the old “grip paste+bigger torx key”. Verdict is that bolt can be only removed with a brand new and high quality allen key (obviously not a ball-end one).
Tried this too. Ended up snapping a reverse threaded stripped screw extracor in it.
@Breso started
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Couldn’t get one out and had to warranty whole shifter!