Kraken Ball to GoPro Adapter Kraken Sale! from $ 11.99 USD /per Produc variants Default Title - Sold Out Qty. Sold Out Couldn't load pickup availability Refresh Ball to GoPro Adapter This is our Kraken Sports GoPro ball mount. It features a standard 1″ ball on the bottom and a gopro mount on the top. Perfect for attaching to housing rigs!