Hayward TriVac 500 Rear Wheel Kit BIO-DEX ALGAECIDE The shaft itself is plastic

The shaft itself is plastic and the turbine on its end is gray

This part is white and comes with the axle required for the medium turbine to rotate around and transfer its power to the other parts of the cleaner above that need it to operate

These brushes help by getting these items near the center and large mouth opening of the Great White and Dorado where they can be sucked out of the pool and into the filtration system

Use the Gamma 4 Installation Tool (Metal) for easier removal and installation of the cleaning head

The lower body was designed to work with the rest of the body covers in protecting the internals of the cleaner from any outside influence while also being a housing unit for the parts that rest and are supposed to be located on the cleaners bottom side parts like the a-frame bushing saddle kit

Hayward TriVac 500 Rear Wheel Kit BIO-DEX ALGAECIDE The shaft itself is plasticThe rear wheel kit is a replacement part that is made by Hayward and used the same high grade materials that were used to make the original factory parts. This makes them genuine OEM parts that all our customers can trust. This part is designed to spin while allowing the tires to help the cleaner grip and move along the bottom surface of your pool, as well as climb up and down the pool walls providing a deep clean for the entire surface of the pool.