Portland Design Works CO2 20 Count Box lets you stock up on cartridges so you don't have to waste time constantly re-upping your CO2 stash. The 16-gram, threaded CO2 cartridges are compatible with most inflators and fit easily into your jersey pocket or seat bag. And you don't have to worry about any freezing ooze ruining your inflator or valve stems because Portland Design Works' cartridges run clean.
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Portland Design Works
Portland Design Works CO2 20 Count Box
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Rising above a scene rich with extraordinary wildlife, pristine lakes, and alpine terrain, the Teton Range stands monument to the people who fought to protect it. These are mountains of the imagination. Mountains that led to the creation of Grand Teton National Park where you can explore over two hundred miles of trails, float the Snake River or enjoy the serenity of this remarkable place.
The pika is a close relative of the rabbits and hares, with two upper incisors on each side of the jaw, one behind the other. Being rock-gray in color, pikas are seldom seen until their shrill, metallic call reveals their presence.