Minoura iH-100

iH-100 holds a smart phone such as iPhone (3 & 4) or Blackberry on the handlebar. Smart phone's large screen is very useful for various purposes; Navigation map for touring, or using as a bike computer by installing a free software. It's often hard to listen the call sound if you put it in your back pocket or saddle bag. But if you place your phone in front of you, it becomes much easier to catch the call. In addition, by changing the phone angle to more vertical, you can record your riding with camera.
By just pushing the ratchet wings, iH-100 grips the phone tightly. To release the phone, just pull the small red lever underneath the body.
iH-100 is universal. It's not just for iPhone4 only like as cheap competitors. The recommended phone dimension is 58 - 68mm width x 9 - 15mm thickness, but it's capable with other sizes at your own risk.