GoPro Roll Bar Mount GRBM30 stalak nosač za kameru za bicikle i okrugle šipke promjera 3,5-6,35cm Attach your GoPro camera to roll bars, tubes and more. Fits 1.4 to 2.5 3.5cm 6.35cm diameter tubes. Perfect for clamping your camera to the radiator cap both metal and plastic caps on karts. You can also clamp to bike frames, bumper bars, ski/surfboard racks, or anything else that is in the