Dirk Heidolf and Alex Baldolini, Team Kiefer In 2007 Team Kiefer Alex Baldolini will be racing next to Dirk Heidolf with their Aprilias the Grand prix 250 using our ultra light titanium-kevlar silencers. We want to wish both Alex, Dirk and the team a lot of success in their races. For extra information you can have a look on: www.kiefer-mot.de