Think mountain biking looks tricky? Remove a wheel, and you’ve got mountain unicycling.

As Ross, a 52-year-old unicyclist, notes in the video above, this unusual sport is “a very very inefficient way to get around the woods.”

Riding a unicycle anywhere, let alone down mountain paths scattered with rocks, roots, mud and sand, requires a certain type of courage. Hit the trails with this ragtag crew of middle-aged men as they zip downhill on their one-wheeled contraptions.

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