Although gaining in popularity, many people still see fat bikes as a bit of a novelty. Whether it’s on the trail or outside the garage, these odd-looking contraptions attract a lot of attention. It’s unsurprising that whenever I show off my fat bike (which I do often), people’s attention usually goes straight to the tires. And for good reason. The tires are what set fat bikes apart from their other two-wheeled cousins. Once onlookers get over the initial shock of seeing such a cartoonishly-large tire, the question of fat bike tire pressure usually comes up. The answer often catches people off-guard because the pressures are so low. Of course, there…