MaximalPower Replacement Bicycle Bike Handlebar Seatpost Pole Mount Holder For GoPro Hero 2, 3, 3+,4,5,6, Compatible with all GoPro HERO 6 Black, HERO5, HERO4, 3+, 3, 2 & HD Cameras Besides Bike handlebar, the mount fits any tubes with 0.43" - 0.7" (11mm 18mm) diameter. So you can use it on ski poles and more. The mount is made of PC material and stainless steel screw. It has built-in EVA pad and anti-skid for firm installation to protect your lovely bike/ motor handlebar from scratching