Features 1PRACTICAL EXTENSION: With a length of 98mm or 3.86in, this helmet mount extension pole helps record a wider shooting perspective and allows you to record your cycling activities from a first person viewpoint, enhancing practicality. 2DURABLE ALUMINUM CONSTRUCTION: Crafted with aerospace grade aluminum alloy at the connecting points using CNC integrated molding technology, ensuring a strong and stable connection. 3ULTRA LIGHTWEIGHT: The main body of the extension arm is made of super light carbon fiber, making it weight less when fixed on the helmet, enabling convenient and prolonged shooting sessions. 4STANDARDIZED MOUNTING CLAMP: The universal aluminum alloy mount is compatible with both double leaf and triple leaf slots on action cameras and accessories for secure attachment. 5EXPANDABLE CAPABILITIES: Equipped with a 1 or 4 inch threaded hole for attaching additional accessories like lighting, allowing you to meet your night cycling needs and broaden your shooting possibilities. Specification Item Type: Helmet Mount Extension Pole Material: Aluminum Alloy, Carbon Fiber Weight: Approx. 18g or 0.6oz Color: Black Length: Approx. 98mm or 3.86in (10mm error) Application: for Insta360 X3 ONE RS ONE X2 ONE R ONE X GO 2 and Other Action Cameras Package List 1 x Helmet Mount Extension Pole