The 18″ Party On V2 includes 5 sealed bearings 2 in the hub shell, 3 in the driver.The traditional style 4 pawl single spring driver makes engagement loud and strong. High end details like a 14mm broached axle, 17mm axle nuts and cones that accept the Party On plastic guard make it tech. Laced up with 14G spokes and double wall Rant Squad rim, this wheel can take what you give it.