If you want to have durable and tough case for your iPhone, AreoDynamic can be your choice. Introduced by Kickstarter, the AeroDynamic lets you to mount your iPhone 4/4S onto handlebar of bicycle, motorcycle, stroller or Segway .
The AeroDynamic is designed with aluminum case which provides sturdy backplate to ease you attach the case into the frame. The case is also function to protect your iPhone 4 from any water, dust and shock. So, you will enjoy your ride while listening to your favorite music.
The Aero case costs $49.95, meanwhile, the Dynamic Mount priced at $59.95 and the Aerodynamic sells for $99.95.