They have no bearings from what i can see in the 2 busted wheels. I have a lot of polyurethane wheels carts, and while the locking mechanism is cool on these wheels, the wheels themselves provide a rough ride.

The ashgoob 4 caster (all four) wheels with brakes was amazing upgrade. Locking mechanisms are easy to engage and disengage. The wheels are hard rubber, so they don't mess up the floor. Hf yukon is now much more solid lower to the ground and with thes...  Read More

Everything is quantity installation tool and fasteners. They even send a screwdriver type tool to ensure you have the correct size to install the castors right away. After replacing the screws for larger ones it works the way i want it.

The brake works well with the toe of your shoe. Maneuverability is smooth. Lock easily and securely.

These are not sturdy enough for a rolling tool stand. Total nightmare trying to pick up greased ball bearings off your driveway. Not for loads over 50 lbs.