I installed my new
GoPro Hero3+ camera on the helmet strap mount, and the older Hero3 on my right seat stay. The latter was a bit tricky, as I had to keep it away from the brake cable, mudguard, etc. I also attached one of those digital camera lanyards to the GoPro (on its rear door hinge), and looped the lanyard around my seat post mounted rear reflector.
I don't know how stable the GoPro's mount parts are when subjected to daily commutes. My commutes are 14 hours a week in any weather, so it will be interesting to see how it holds up. Hence the lanyard: just in case. If any of you have these camera mounts, and would like to share your own accounts, feel free
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I would have preferred to use the Hero3 without the Battery Bacpac attachment, but it just doesn't last for my afternoon commute without it, as the total elapsed time is about 100 minutes, and I found that without the Bacpac the GoPro sometimes stopped recording a few km before I got home. Of course, I could accept that I won't always record that bit, and go without it anyway, which would save me about another 50g of weight. It's nice that the Hero3+ is about 65g lighter than the Hero3+Bacpac, and (from my initial tests) will last for my whole afternoon commute
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