Here is a cool way to charge your smartphone when you ride your bike: Thanko’s Portable Wind Turbine Generator attaches to the handle of your bike and generates enough electricity for 2 AA rechargeable batteries. You can use the cables included in the package to charge various devices, including iPhones, iPads, and GPS devices. You also get 5 light LED lighting.
This Portable Wind Turbine Generator generates energy for your gadgets and does not take away from your experience. You can get it from Thanko.