“It protects it from the elements and if you drop the unit by accident it will protect it.This is easily done after a long cold wet ride as your fingers are numb”
“The silicone case provides another level of protect to the device.
Under normal circumstances it probably doesn't need it but it will provide some protection in case of a crash for example or just every day knocks and scrapes.
It's easy to fit and provides a good snug fit.”