If it was properly adjusted previously, don’t do this. I’ve done a full turn and a bit while getting the sleeve in the mail to replace, but the number of cracked Brompton frames I see is disheartening.
Good shout. My LBS warned me when I was a Brompton n00b as if done that nut up quite a bit. But even after replacing my shim and seatpost, it slipped quite easily, so had to do a few 1/8th turns to get it right.
If it was properly adjusted previously, don’t do this. I’ve done a full turn and a bit while getting the sleeve in the mail to replace, but the number of cracked Brompton frames I see is disheartening.