Wheels: 76 mm Hardness: 80APack of 8 Bearings: ILQ5 Compatible with sizes M a...Wheels: 76 mm Hardness: 80A Pack of 8 Bearings: ILQ5 Compatible with sizes M and L of skates: Raider Pro, Marlee Pro, Charm X Pro, Charm X Boa, SK8 Hero X Pro, SK8 Hero X Boamore