The Bell helmet drink tube kit with quick connect valve is compatible with suitable Bell full face motorsport helmets. The quick connect valve allows for fast and easy connection for when a driver needs a replacement drinks bottle or for a driver change during an endurance race. The kit is designed the be fully integrated into the recesses located in the back of the helmet face piece, where there will also be an area to fit the one-way valve. If you are racing in long endurance races or even in hot conditions, you need to be hydrated to maximise your performance.Suitable for Bell HP7, HP5, RS7 Carbon, GT5 Carbon, RS7 Pro, GT5, GT3 and Sport 5 helmetsNo modifications are needed to fit this kit, it is all installed into the recesses of your helmetL shaped adaptor allows the tubing to be positioned correctlyQuick connect valves allows for one handed connection and disconnection