It should fit on just about any cage wich is open on top for the fill port, and for the straw to slide through if you opt to use the rear hole for it.

Ditto above about being open on top, because the wing that secures the drink tube must also slide through.

Also, it needs to be a style that has a little tail at the bottom as the bottle stop. Some alternative designs with the bottle bottom stop more than just that up-tick tail, or in some other location, would not work.

Not all cages will work. My elite cage works well, bontragers don't, and anything that's closed at the top won't work.

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So would a gorilla cage work?

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From XLab: http://forum.slowtwitch.com/...ost=5105190#p5105190

Awesome!

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This thread makes me think opportunity lost... I had a Versa 500 and I am reconfiguring. I love the torpedo bottle, so I ordered a new black bottle refill. And I just bought a red Torpedo cage to go with the bottle. The new red cage on black bottle looks awesome. But a red Gorilla cage would have looked so much more awesomer.

Should work as others have said depending on the cage. One thing of not the full setup comes with a spacer that goes between the bottle cage and the head of the bottle cage screw for the back screw. This is used to keep the bottle from moving forward in the cage. Sure you could probably cobble a spacer together yourself, or they may send you one if requested.