Originally Posted by
FORDSVTPARTS
I use automotive clear stone gaurd tape on the surface where the cage contacts the frame tube (tape applied to the cage side) and I also line the mounting clamps with it.
It's quite sticky and incredibly strong and pliable and easy to trim to whatever shape you need.
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Beyond that, look for a TA criterium cage, as it uses a single clamp or an American Classic cage which uses a different band design that is thin and is easy on the tubes.