Fifth Wheel Trailer Hitch Pin Box; Flex Air ™; King Pin Coupler; 21000 Pound Gross Weight Capacity; Air Ride Pin Box

The Flex Air Pin Box unifies time-tested Trailair Air Ride technology with the Rota-Flex pivoting head to reduce chucking and vertical tug-of-war between a fifth-wheel RV and tow vehicle, providing a more comfortable ride. Flex Air utilizes an air bag and rubberized compound to absorb road shock and vibrations, an integrated oil shock absorber to dampen kickback, and a pivoting head to control chucking.Features & BenefitsOur Integrated Air Bag Acts As A Buffer Between The Tow Vehicle And Coach To Absorb Road Shock And Vibrations That Can Damage An RVAs The Air Bag Absorbs Road Shock And Vibration, The Oil Shock Absorber Handles Rebound Action, Dampening Kickback And Controlling ChuckingHeavy-Duty Pivoting Head In Its Lower Jaw Controls The Vertical Tug-Of-War Between The Tow Vehicle And RVDurable Rubberized Compound Provides An Additional Buffer To Help Protect The RV From Jarring Motion