Pneumatic Free Roller Set
Extra-strong structure roller set
Pneumatic lock of roller design
The rollers are coated with special techniques to prevent slippage between the tires of the vehicle and the surface of roller
Quantity of rollers can be tailored to assist speedometer in testing vehicles with different wheel base
The use of pneumatic FRL ensures that the pneumatic components work well and are well-protected
The pneumatic free roller set is specially used for the automatic test process of speedometer tester and roller brake tester for the tandem-axle vehicles.