The PWR helmet extension mount is designed for use with the PWR modular lights. Use it to attach the lighthead to your helmet so you can stash the battery in your backpack. - Compatible with the PWR Road, PWR Trail, and PWR Mountain light heads - Internal screw is made of nylon plastic and is designed to snap in case of accidents for rider helmet protection - Fits most vented helmets, common for road and trail cycling - Stretched cable length: 80cm - Weight: 100g

PWR Helmet/GoPro Mount - for holding charger and modular lights on top of helmet (Excludes PWR Mountain). Tri-prong system works with GoPro, so can be used to mount lights under Garmin and other mounts. - Compatibility: Works with PWR Charge and Modular lights (not PWR Mountain) - Mounting system: Designed to fit most vented helmets, common for road and trail cycling and is GoPro compatible - T Slot (For modular): Allows for quick release of the light when parking your bike - Weight: 20g