Works great and simple. Water where you need it. I used it on a Denali National Park bike packing trip.
I
Impecco (Albstadt, DE)
Absolute necessity
This small and clever made part solved a problem I had some time ago: How to attach a huge 1l button to a full-suspension mountain bike. I tried a lot of alternatives like attaching to the saddle and also some other mounts to the handle bar. But only the Top Cage Cap Mount survived going off-road without falling off. Also, the simplicity of the approach is stunning: Where others fail with complex fittings this one is simple, durable and simply works.