The world's premier traction aid, the ARB Air Locker(TM), supports driving in all conditions. With the flip of a switch, it locks instantly, and its ultra-rugged design allows for engagement at any speed, letting you tackle the most extreme terrain. The advantage of the Air Locker lies in its air-operated locking system within the differential. When engaged, it prevents the internal differential gears from rotating, thereby stopping the axle shafts from rotating independently of each other. Since both wheels are directly linked to the rotation of the ring gear, maximum traction is maintained at all times. When unlocked, it functions just like a conventional open differential. Vehicles equipped with an Air Locker can be driven more slowly, safely, and with greater control, significantly reducing the risk of vehicle damage and environmental impact.
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