- Base Thunderbike Freestyle Over Framekitbr - Construction Year 2008br - Engine Harley-Davidson S.E. 103cuibr - Fuel System Carburetor Mikuni HSR42br - Gear Harley-Davidson 5-Speedbr - Exhaust Thunderbike Dragpipesbr - Air Cleaner Rebuffinibr - Handlebar Thunderbike Gothikbr - Master Cylinder Rebuffinibr - Front Fender Thunderbike Gothikbr - Front End Thunderbike Freestylebr - Swingarm Thunderbike Freestylebr - Shock Absorbers Tricky Airbr - Rims Thunderbike Spoke 3.5x21 front & 10x18 rearbr - Tires Metzeler ME880 12070-21 front & ME880 28035-18 rearbr - Brake Calipers Thunderbike 6-Piston & Pulley Brake-Kitbr - Brake Discs Thunderbike Spokebr - Painting by Ingo Kruse Kruse Designbr br Customized Thunderbike Radical Over Frame.