From the same experts at Trail air that created the Air Ride Pin Box and the Equa-flex rubberized equalizer, comes Rota-Flex, a rubberized and pivoting pin box designed to enhance and smooth your ride. You've put a lot into your investment, so protect it with a Rota-Flex!
Pivoting head significantly reduces fore-to-aft coach movement
Rubberized torsion compound absorbs motion and vibration caused by road shock
Absorbs road shock that would otherwise be absorbed by your RV, preventing costly damage
Powder-coated lower jaw
Rota-Flex rubberized pin box by Trailair combines a pivoting head and rubberized compound to reduce road shock and vibration and controls chucking to provide a better towing experience
Replaces Lippert 1621 pin box
19,000-pound capacity
