The ALUTRUSS BILOCK BQ2-S2500 is a 2-point cross beam for the BILOCK BQ2 truss system. It measures 250 cm in length, 29 cm in width, and 5 cm in height. The truss uses 50 mm × 2 mm main tubes and 16 mm × 2 mm struts. It is TIG-welded from EN-AW 6060 T66 aluminium using AlMg 5 welding material. The component has a matte, powder-coated black finish and weighs 5.50 kg.