The Quad Lock Motorcycle Vibration Dampener is an integral part of the Quad Lock Mount setup for a motorcyclist. It simply slots under the device mount (& USB Charger). It sports a precision engineered dual chassis suspension system to give peak dampening.The dampener has been tested on a multitude of different bikes to gauge its' performance.It is compatible with all Quad Lock Motorcycle Mounts.Features a glass-filled nylon upper and lower chassis.Supplied with an allen key and an M5x12 countersunk bolt.The Quad Lock Motorcycle Vibration Dampener has been precision engineered, consisting of 2 glass-filled nylon chassis pieces with silicone grommets sandwiched inside for the ultimate dampening experience. It has been tested on many bikes from different manufacturers, most notably Harley Davidson and Triumph who's engines produce a massive amount of vibrations! Working with vibration specialists, the Quad Lock Motorcycle Vibration Dampener was put through extreme performance testing.The Dampener protects your smartphone's camera from high frequency vibrations. The silicone grommets are designed to absorb all of the frequencies, even throughout the "vibration danger zone", where the bike produces vibrations at a frequency most known to damage your phones optical sensors.