3x Bicycle Helmet Mount Arm Extension Pole Set Bundle for GoPro Hero 6/5/4/3+ Action Camera Holder Accessory

Description: 68mm+88mm+108mm Helmet Mount Extension Arm Set. Support Gopro, Xiaomi Yi, Sjcam and other sports camera. Suitable for motorcycle, bicycle, bike helmet mount adapter. CNC aluminum alloy material for outer oxidation protection, more light weight. Easy and convenient to use. Specification: Material?Aluminum Alloy Size?68 mm/2.68 inch, 88 mm/3.46 inch, 108 mm/4.25 inch Package Includes: 3x Extension Arm