Loctite 263 might be a better bet as it is virtually permanent. Don’t think you will have much room to get a nut on, and even if you do it may weaken the fixing into the top part as there are not many threads to play with.

Doug
2011 Plus 4 in Rich Maroon

1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900