Originally Posted by Koyote

These are the only cages I'll run on my gravel bike, since they grip a bottle like grim death. And my oldest pair, at almost twenty years and about 60k miles, has never -- NEVER -- needed to be reshaped. The design prevents it from ever bending or otherwise loosening up. BUT: they are tight enough that the OP might have to look down to re-insert the bottle. In that case, the standard King Cage, in SS or ti, is a great alternative.