I recently bought a couple of shimano IS to post mount adaptors. One came with drilled bolts and lockwire, the other with these funny little clips that go on the bolt heads to stop them unwinding.
The bolts have loctite on them but because one of the adapters is on a bike with a rohloff and speedbone I have had to use longer bolts
I’ve never even bothered with loctite unless its already on the bolts I am using. Never had one of these bolts come undone. Even if it did come loose its got to back off a long way before the brake falls off and you would soon notice a clunk as the caliper moved under braking
Does anyone bother with these clips or lockwire? anyone had a bolt come undone?