Bones Bearings Swiss L2 Precision Skate BearingsBONES SWISS L2 (Labyrinth 2) The New Bones Swiss L2 bearings feature a new shield that reduces drag and increases the overall speed of the bearing. The Bones Swiss L2's have a new redesigned inner race and two new labyrinth shields to keep the dirt out longer, but still allow easy maintenance when necessary. Features Double labyrinth non contact, removable rubber shields allow easy cleaning and low friction. High speed nylon ball retainer provides