Sho Yamato  

, 山登翔 やまと しょう

The protagonist of the story possesses exceptional skills as a mountain bike rider and performs incredible tricks. He eventually triumphs over Gabu to seize control of X City, enlisting the aid of Koei, Kyoichi, Makoto, and Arthur in his quest. Following this victory, Sho decides to forsake his companions in favor of remaining in X-Zone, where he reunites with them thanks to Hosuke's assistance. Throughout it all, Sho rides his trusty Flame Kaiser mountain bike.