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by trentmb 3392 days ago
I'm now curious how difficult it would be to cycle with a respirator.
1 comments
jhpankow 3392 days ago
I've seen one person riding with something that looked like a gas mask. It appeared to have a "bane" like square filter near the mouth. Not just a simple N95 mask.
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flat6turbo 3392 days ago
some people use these for low oxygen training.
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