WHA1-L002B Sport Plastic + Nylon + Stainless Steel Helmet Adapter w/ Headband for GoPro - Black
Made of high strength plastic; Camera connection screw after 48 hours salt spray test can be at ease use; Carry weighs about 500 g of digital products can endure speed 100 km/stop test; Bracket with tooth plate location is more convenient and accurate and locking remarkably strong more than GoPro accessories.