Twozaskars
Retro Guru
Cromwell tools are good for such items
https://www.cromwell.co.uk/shop/cut...high-speed-steel-steam-tempered/p/DOR0251264A
https://www.cromwell.co.uk/shop/cut...high-speed-steel-steam-tempered/p/DOR0251264A
F4 BLT stuck/rounded bolt removal
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This forum never disappoints
Thank you!
bikeworkshop
Senior Retro Guru
You'll need a Left-handed screwdriver
Googles ‘left handed screwdriver’You'll need a Left-handed screwdriver
bikeworkshop
Senior Retro Guru
... and a Long Weight
Splatter Paint
Retrobike Rider
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Cut a slot in the head and use a big flat bladed screwdriver would also be may go-to after Torx.
If you go down the slot cutting route, my advice would be not to use a screwdriver, but instead something with a long flat edge. This way, you can fit it fully into the slot and more, avoiding the screwdriver chewing the slot up. You are also using leverage from the side rather than a twisting force which in my experience reduces the risk of ripping the top off the Allen bolts.
