User Score: 726
Part 1: During a BMX race against the Shark Tooth MTB team, Sho Yamato and his friends Makoto and Kakeru get sucked into a Black Hole and end up in the X-Zone: a world of Idaten Battles. Upon arrival, they are challenged by a Rogue MTB team and get help on how to do that by a mysterious masked MTB Rider.
Part 2: Sho, Makoto, and Kakeru are accused of being associated with the Rogue MTB team by the local X-Zone Police. With the help of the Rogue MTB Boss and the mysterious masked MTB Rider, they escape alongside an owl name Hosuke. However, the Police Captain and his men are not far behind.