The PWR helmet extension mount is compatible with the PWR Road, PWR Trail and PWR Mountain. Attach the PWR lighthead to your helmet and put the PWR Bank in your backpack. Fits most vented helmets. Features Weight: 100g. Cable length stretches to 80cm. Designed to fit most vented helmets. Common for road and trail cycling..
Please note: Manufacturers can sometimes change the specification of the products from time to time.