
I have two of these holders, one for each bike, to carry my iPhone6 in an Otterbox case. I was looking for a secure way to carry my phone while cycling and the back pocket didn't sound like a good idea. It attaches very firmly to either the handlebars or stem, iPhone attaches very securely to it and the ball joint works great. Then I realized I could run an app on my iPhone to track speed, distance, heart rate, etc. with the CatEye ISC-12 sensor and got rid of the computer setup I had on the wheel. These are the best phone holders I've ever seen. I also use a Koomus magnetic phone mount in my car.

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