MX7 poor design

[CalG]

It is a grade 8 that is broken and replaced with. The 8.8 is the same size with a larger head. Thanks though. I cannot find the 12.9 in 16mm locally.

Yes, I see that now.

 

[pjbci]

maybe try a hardened hitch pin?
View attachment 704805

That thought crossed my mind but it has to be tightened against an internal bushing to prevent the straps from twisting outwards.