ID51 bike bracket

Version 3:
The tab I added to the back under the belt clip has been enhanced. The one I added in version 2 lasted for the event. However, when demonstrating it to people, it showed its weakness. I decided to make it thicker, and add a rib. From memory, I believe that it was the correct height. If it is, and breaks off again, I will just make it a solid block. I may be testing this as early as this coming July 3rd at Finish on the 50 10k road race at Gillette Stadium.

Version 2:
I left previ