The Global Truss TR-C3 ARC90 is a single 90-degree curved truss segment designed for building 9.84-foot diameter circular overhead structures in professional stage productions and corporate events. This individual piece features a triangular profile measuring 11.4 inches on each side, constructed from high-grade EN-AW 6082 T6 aluminum alloy with 50mm main tubes and 20mm diagonal bracing . When you connect four of these ARC90 segments together using the European-style conical connection system, they form a complete 3-meter diameter circle . Each segment is TUV SUD certified with 2mm wall thickness for structural reliability . Perfect for rental houses needing replacement parts or custom circle configurations where full kits aren't required.