Flow 50cc:To unlock the Flow 50cc, places 1st in the 50cc Ultimate Cone Trial Tournament.White Lightning 50cc:To unlock the White Lightning 50cc, place 1st in the 50cc Battle Royale Tournament.Achievements:ACHIEVEMENT – HOW TO UNLOCKStandard Gold (10 points) – Place 1st in a Standard Race Tournament.Cone Trial Gold (10 points) – Place 1st in a Cone Trial Tournament.Battle RoyalGold (10 points) – Place 1st in a Battle Royal Tournament.Hard Core Gold (10 points) – Place 1st in a Hard Core Racing Tournament.Multiplayer King (20 points) – Win a multiplayer match.Mascot Jr. (30 points) – Win a race with each of the BK characters.Career King (30 points) – Complete all of the tournaments.Pro-Gamer (25 points) – Complete at least 25 Xbox Live matches.Big Wheelie (15 points) – Wheelie for more than 2 seconds.Big Stoppie (20 points) – Stoppie for more than 0.5 seconds.Big Air (10 points) – Jump for more than 50 meters.Time Trial Gold (10 points) – Achieve a lap time of less than 1:30 on all tracks in Time Trial.