Black Bean Games today announced that a SBK09 Superbike World Championship demo is now available via Xbox LIVE Marketplace for Gold subscribers, while Silver subscribers will be able to get it starting with May 15th. Developed by Milestone, the game is based on the official licence owned by Infront Motor Sports and features new 3D environments, new teams, complete track overhaul, new gameplay structure, new game modes and a revamped user interface. The performance of the motorbikes is based on exact data from their real counterparts and the player can fine-tune every single setting a real race engineer can. Check the press release for more details on the game. Release is planned for May 29th, 2009.