Originally Posted by
TimothyH
Garmin only
AFAIK. No support for Polar. I'd have to switch.
There is a guy who modifies them with GoPro mounts underneath.
If it's a question of the type of computer mount, check shapeways.com - if you're not familiar, shapeways is a 3D printing outfit that allows individuals to upload and sell their own renders directly to buyers, so there are way, way more combinations available than officially supported.