That’s exactly how they work. But they obviously haven’t taken much care with it. I pack mine with metal and rubber washers to avoid any movement or rattling - both in the vertical (the bolt that goes through the guard itself) and the one passing through the brake hole which intersects it.
They actually come with that hole in the guard already (at least in the front, you have to drill your own at the rear...)
That’s exactly how they work. But they obviously haven’t taken much care with it. I pack mine with metal and rubber washers to avoid any movement or rattling - both in the vertical (the bolt that goes through the guard itself) and the one passing through the brake hole which intersects it.
They actually come with that hole in the guard already (at least in the front, you have to drill your own at the rear...)