The Polaris RZR Pro XP rolls on 30-by-10-inch Maxxis Carnivore tires, which are mounted to 14-by-7-inch aluminum wheels. Being the same size front and rear makes for easy replacements and means ...

White-knuckling it on an unfamiliar trail, I'm trying desperately to keep up in a line of Polaris RZR Pro XP side-by-sides, with one of RZR's employees leading the way. I've done quite a bit of ...