no issues. iphone 12 pro max on a quad lock with the quad lock case, around 3,000 miles in 5 months, mostly average-paving roads at roadie speed, maybe 5-10% underbiking on what some call “gravel” and i call rocks and dirt.
only 3,000 miles, yes, but not so much as a hiccup…
i use the out front mount flipped around to keep it over the stem. the arm probably provides a little dampening as does the future shock in the steerer… but not much.
