Evel Knievel was a semi-pro in what sport? What bike inspired NASA’s lunar-motorcycle? Join Zack & Spurg as they go head-to-head for a special surprise in Highside Lowside’s first-ever Motorcycle Trivia Challenge! Hosted by the one-and-only Spenser Robert with a guest appearance from The Silver Fox: Lance Oliver! Check out more from RevZilla: Common Tread: News, opinions, and written reviews RevZillaTV: Bike reviews, How-To's, and product videos