Expect the assembly to move slightly when traveling over rough terrain.

The problem is that the neck that connects the ball joint to the bike has a tendency to break on even semi-rough terrain

I run my cellphone cycling app in my Roam on a fat tire/tadpole Trident Terrain.

I would even confidently say that you could go ripping through rough terrain on a dirt bike with this thing and your phone would not budge.

With that part, it never comes out, even on really bumpy terrain.

No rough terrain, just nice even streets

If you have a mountain bike and your riding on a rough terrain just get a mount that doesn't have a swivel head.

Doesn't stay completely in place while riding over bumpy terrain.

I've ridden (mountain biking) on some fairly rough terrain with my Roam mount, and my iPhone stays safely mounted.

Doesn’t shake and I feel confident that my phone is safe even on rough terrain.

n’t do any crazy stunts to test extra grip

It works as it should but when i received it, the screw pin was bent (hence the 4 stars) but it still screws and holds the phone.

Disappointed as I thought it was a decent product up til now :(UPDATE 7/7/2020: They sent s replacement at no charge and the same exact thing has happened- the mount broke where it swivels

Works as I expected and better than the last mount I had.

It shakes a