USWE's Helmet Handsfree Kit™ gives the rider quick access to hydration inside the helmet. It's 100% hands free, making it easier and safer to hydrate while riding. Hands-free hydration means the rider will drink more frequently, staying hydrated and focused. Includes drink tube, bite valve, seal coupling set and attachment device. Fits full face helmets with removable / washable race fit inner liner (check instructions for proper installation).