Roller brake tester approved for 3.500 kg maximum load vehicles (cars, commercial vehicles, caravans) and 2-3-4 wheel motorvehicles (motorcycle, lightweight 3 and 4-wheeled vehicles, quad) with a motor power of 4,70 Kw to satisfy the most demanding customers.Single wheel drag Brake ovality (out-of-roundness) on single wheels and percentage difference Maximum braking force on single wheel, on axle and total