Bauer XLS Quad Roller Skates with Air Waves wheels: A great value skate with&nbsp; urethane wheels, perfect for indoor and outdoor use. Converted from ice skates to quad skates with Playmaker&nbsp; nylon plates with alloy hangers. The Air Waves Wheels are fitted as standard with Abec 7 bearings, or if you wanted to go faster then you always can upgrade. Microfibre lining and Anaform ankle padding for superior comfort. We fit ABEC 7 speed bearings as standard.