SB 8.11 Disc brake with an automatic wear compensator. Brake torque range: 120 - 610 Nm. Application: Trolley Gantry Advantages: Automatic wear compensator Compact construction High performance Easy maintenance Technical ......SB 8.11 Disc brake with an automatic wear compensator. Brake torque range: 120 - 610 Nm. Application: Trolley Gantry Advantages: Automatic wear compensator Compact construction High performance Easy maintenance Technical data: Adjustable brake torque Brake torque 120-610 Nm Brake disc diameter 250-500 mm Weight approx. 55 kg