There are few rechargeable lights with beam shaping and cut offb that may be mounted upside down. Cat-Eye has two in its G-Volt line that come with GoPro adapters. Lezyne also has a light trust can be mounted to a GoPro mount.

GoPro mounts below Garmin (or other head unit) mounts are fairly common.

There are few rechargeable lights with beam shaping and cut-off that may be mounted upside down. Cat-Eye has two in its G-Volt line that come with GoPro adapters. Lezyne also has a light for hanging mount.

GoPro mounts below Garmin (or other head unit) mounts are fairly common.

Below is a picture of a GVolt 70 mounted to a Sigma mount. No adapters or small parts were needed. Both were compatible out of the box. For beam characteristics and review (in German) see Boissier-Mohr's webpage

There are few rechargeable lights with beam shaping and cut offb that may be mounted upside down. Cat-Eye has two in its G-Volt line that come with GoPro adapters. Lezyne also has a light trust can be mounted to a GoPro mount.

GoPro mounts below Garmin (or other head unit) mounts are fairly common.

There are few rechargeable lights with beam shaping and cut offb that may be mounted upside down. Cat-Eye has two in its G-Volt line that come with GoPro adapters. Lezyne also has a light trust can be mounted to a GoPro mount.

GoPro mounts below Garmin (or other head unit) mounts are fairly common.