Do a search on Shapeways.com for a custom 3d printed adapter for the light of your liking.
I use this one to mount a Garmin Varia to a GoPro mount: https://www.shapeways.com/product/EZEFKEH6Z/garmin-varia-gopro-saddle-mount?optionId=64238617
Do a search on Shapeways.com for a custom 3d printed adapter for the light of your liking.
I use this one to mount a Garmin Varia to a GoPro mount: https://www.shapeways.com/product/EZEFKEH6Z/garmin-varia-gopro-saddle-mount?optionId=64238617