I'm a daily rider of a Onewheel XR. I've got a few thousand miles on mine, and I do a ton of trail riding here in Colorado. I'm pretty obsessed with these things.<p>All that aside, I would advise anyone who wants to try going this route to watch their ass.<p>A standard Future Motion developed Onewheel is an extremely dangerous device. I always, always wear a helmet on mine. If you wear a helmet, the device pretty much stops being fatally dangerous, and just becomes a source of rather mild injuries if/when you fall. I rarely fall on mine now, and when I do, I don't get injured due to standard skateboarding/mountain biking pads. All that being said, FM put a TON of energy and learning into their firmware. A onewheel that cruises on a smooth surface is relatively straightforward compared to one that can be reliably ridden in rough conditions, handle bumps/voltage sags/etc gracefully, and just be super durable as well.<p>I could definitely see an open source onewheel eventually becoming on par with FM's XR. But if you're an early adopter of this thing, be ready to fall, A LOT.