I bought this well over a year ago. It's a fantastic way to carry your emergency tool kit. Mine takes a spare inner tube (road-700c), a few patches, 3 tyre levers, two CO2 cartridges with the adapter, a mini-tool, spoke key and a couple of extra allan keys plus a bit of rag to stop it all rattling. It is completely watertight and has been out in some pretty bad weather to confirm it. The only down side, and it has nothing to with its design, is that it takes up a bottle cage so on longer rides you're limited to one bottle.......having said that, I've always managed.
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