TechArt Wheels TechArt Formula wheels are one-piece cast from lightweight aluminum alloy. The TechArt Formula wheel incorporates a classic inverted 5-spoke design. TechArt Formula Wheel Features: Sizes: 18 19, 20 inch One-Piece Construction Bright Silver or Black Finish Classic 5-spoke Design Lightweight About TechArt TechArt is one of the most recognizable Porsche tuners in the world. TechArt is based in Germany and was incorprated in 1987.  Today, TechArt provides a complete tuning line for the Porsche Boxster, Porsche 911 (993 thru 997), the new Porsche Cayman, and Porsche Cayenne. The TechArt tuning line incorporates products that deliver wind-tunnel tested and proven aerodynamic styling combined with light alloy TechArt Formula wheels, sport suspensions and exhaust. Techart Wheels - Porsche Tuning Each of our Techart Wheel styles is precisely configured to fit individual Porsche models.  To see how the Techart wheel styles fit your specific vehicle use the Year and Model menus and navigate to the Techart Wheel section.