Description Powerslide Alu Spacers are made of 6061 aircraft aluminum. These “Ufo” aka floating spacers fit all common inline skates featuring axles with 8mm diameter and all common wheels that have a total core width of 24mm. The spacers are 10,20 to 10,25mm wide size of bearings: 608 diameter of axle: 8mm Included: 1 Spacer
