The helmet mounting base is an accessory designed for sports that require the use of a protective helmet, such as cycling, motorcycling, climbing, canoeing, and paragliding. The design is completely new, and the camera attachment system to the helmet is flexible and very durable. The main system adheres with double-sided adhesive tape in the front area of the helmet. It is reinforced with an adjustable support system that ensures maximum stability of the base. The base is adjustable and compatible with all models and sizes of protective helmets. It is ideal for GoPro Hero 11, GoPro Hero 11 Mini, DJI Osmo Action 3, DJi Osmo Action 2, Insta One 360 X3, and other similar models.