Dual Dynamics Crossfire Replacement Hose, Curved Fitting (ST-16-180)

This is an exact replacement for the original hoses that came with my crossfire unit. The old ones were damaged by continuously rubbing on the wheel where the hose passes through the hole in the wheel and the rubber washers on the valve stem get compressed to the point they no longer seal. In my case this took over 7 years so I am not displeased. Installation is easy, but I had to remove the entire crossfire unit from the wheel. With the unit on the bench, remove the two screws holding the retaining plate, remove the plate and pull the old hose our. Moisten the new hose end with water and insert it into the hole. Reinstall the retaining place and replace the screws. Finally replace the unit and tighten until there are no leaks. I found my grandsons bubble stuff in a spray bottle worked great to find the leaks and demonstrate I had tightened the nuts suffuciently.

What I expected

Makes airing dual tires on my Motorhome a breeze. It’s a little hard to get the hoses attached to the Schrader valves initially. They can be purchased for whatever PSI your tires require.Just a glance will tell you the status of your tires, and keeps the pressure of both tires the same, very important for dual tires.There is a safety feature that if one tire is punctured the good tire will not go flat, even with a slow leak.If dual tires do not have equal pressure, the low tire will be dragged and scuffed and the tire with the higher pressure will be over stressed, heated and experience greater wear.When I owned and operated Semi’s they were on my truck, and in years of driving never had any problems related to them.No, they do not cause a tire imbalance. And now they reside on my Winnebago.