Originally Posted by BCRider

I find it slightly amusing that there's concern over this anti jamming pin but when others and I extole the virtue of dork discs for the rear wheels I get accused of being a fud, fred or a worry wart...... I suspect not by the sort of folks that post here in agreement with adding the stud or a suitable substitute. Bbut there's lots that seem to suggest that if we are negligent enough to allow our derrailleurs to get out of adjustment then we are somehow not worthy of bike ownership.

Anyhow, yeah, put a little bolt and nut in there like everyone is suggesting. It's super cheap insurance against a dropped chain.

And just to stir the pot if you put a value on this pin then you should be sporting a anti jam guard on the rear wheel too for exactly the same reasons.