Material: CNC Machined 6061 T6 Aluminum Compatibility: all GoPro HERO Original, HERO2, HERO3, and GoPro Session Cameras, Shimano CM-1000, Garmin VIRB, and Garmin VIRB X Claimed Weight: 45.7 g Activity: road cycling, gravel, mountain biking Manufacturer Warranty: lifetime On-Center Handlebar camera mount designed to provide the best option available for mounting your action camera on the bike. The new Go Big On-Center Mount the next generation in our industry-leading GoPro style interface Camera Mounts. The new mounts provide easier installation with a stronger more secure platform for your action camera, available in 31. 8 and 35mm options. On-Center gives you a better-framed image with the newer style cameras that have lenses centered on the camera, such as the GoPro Session and Garmin VIRB.