ABEC rating: ABEC 9 Main Features: Lubricating oil for low friction and ultra-light nylon ring Central axis: 7mm Inner Diameter: 22mm Number of Balls: 7 High Precision Balls Sealing: 1 sealed side, 1 open side for easier maintenance and less weight
Designed for high competition skating and for moments of great intensity, the bearings intend to offer skaters a great performance commitment , maintaining all ease of maintenance, as they have an ultralight nylon ring and are sealed only on one side which, for in addition to an easier cleaning, it reduces the weight of the bearing. With oil lubrication to reduce friction and promote a fast and smooth skating.