Here's one we prepared earlier

Air Volume per Stroke: 318 cc

Alkaline-based

IPX7 dustproof/waterproof rating

The two super durable o-rings secure it to the bar

K-Edge GO BIG Pro On-Centre Handlebar Mount - Black - 31.8mm Virtual Parent Here's one we prepared earlierThe Go Big on centre mount is designed to put your compatible light or action cam out front in the centre of your bars. It is designed with cameras such as the GoPro session or Garmin Virb in mind. Specifications: Available in both 31. 8mm and 35mm versions Strong CNC machined Aluminium Works with all GoPro HERO Original, HERO2, HERO3, and GoPro Session Cameras. Shimano CM 1000, Garmin VIRB, and Garmin VIRB X It also comes with a lifetime guarantee