Lorry pivot bar with separated bar

The bar has support tubes (12, 14) with closed support tube cross section and extending along a support tube axle (T), which runs in vehicle cross direction in mounted condition at a lorry frame (42). The supporting tubes are formed with closed support tube cross section as splitted support tubes comprising support tube shell parts (20, 22), which extend only over a part of support tube circumference. The support tubes comprise fastening sections at longitudinal end region (32) for fastening at the frame.