Properly adjusted cup and cone hubs will spin as smooth as a sealed bearing hub. All of our cup and cone hubs are designed with excellent seals to keep grease in and everything else out. Adjusting cup and cone hubs is an art, and should be performed by a professional mechanic. Loose ball bearing hubs do not include quick releases.
Bearings:Adjustable Ball & Cone, 3/16"()
Flange Diameter, Left:38mm
Flange Diameter, Right::38mm