TOBWOLF 8 Pack 64mm 82A Indoor Inline Skate Wheels, Kids Indoor Rooler Skating Wheels with ABEC-7 Bearings, Luggage Wheels, Training Wheels for Scooter - Blue

Product Specifications Package Included: 8pcs Inline Skate Replacement Wheels Wheel Diameter: 64mm Wheel Thickness: 24mm Wheel Hardness: 82A Bearing Inner Diameter: 8mm (but the white plastic spacer inner diameter is 6mm) NOTE 1: The white plastic spacer of these wheels is suitable for 6mm axle. However, if you pull out the white plastic spacer, the bearing would be suitable for 8mm axle. NOTE 2: Some customers have the 6mm axle, while others have the 8mm axle, so we add the plastic spacer to deal with these two situations.