431 km/h. I've ridden it, and it vibrates, for lack of a better word, disturbingly; you can really feel that it's pushing the envelope of what's possible. Not

431 km/h. I've ridden it, and it vibrates, for lack of a better word, disturbingly; you can really feel that it's pushing the envelope of what's possible. Not a big deal for a 7-minute ride, but would be a bit annoying to put up with for an hour.