I actually have it that way on a Specialized Enduro.
It is low and out of the way.
You will destroy the Bafang before you will hit the battery.
I always thought a battery with a semi circular end that would fit flush against the Bafang would be attractive, low and out of harms way.
You will have to test whether the battery rubs the front tire at full compression. The closer the battery is to the Bafang the less chance of interference.
So much better than carrying it.
Most competent bike shops can install RivNuts or threaded inserts wherever you might want them.
Or for testing, tie wraps work great and they are inexpensive. A radiator clamp can work too.
I skipped using the bracket that the battery slides on at one point.
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