at first, by installing this bike mount seems ... but the first little shock (downhill bike, a simple helping hand on the carrier EMPTY!) bam, the support is hard. impossible to repair: the axis that holds the carrier is 1/2 centimeter side, we understand that it breaks the first (small) shock! it's chilling to think that it's such a thin line that takes all, and I post chills me to the idea that my phone might have fallen on the floor ... no, really shameful!