The side guards are strong and robust. The phone is well-maintained and safe, careful to position the clip on the frame. The membrane protects the screen is fine allowing the use of such without pb but see in rain or shock on this one. After a fall in the downhill I had the pleasure to see the ever hung bike box, the phone has not moved. To tighten after a few outings with the key provided.
Addition: After 15 days of use, I confirm the robustness of the case, by fixing against the back of the case has laché on a paved area ... the 3rd ATV output. Avoid