The Rollerblade SG7 Bearings (16pk) are made specifically for inline skaters. Rollerblade assigns bearing ratings with SG, but you can think of it like ABEC. Rollerblade offers SG5, SG7, and SG9 with the higher the rating being the better precision.

• Price is for a 16pk of Bearings
• Standard 608 Bearings with 8mm Bore
• Use with floating bearing spacers for 8mm axles.
• Use with long-sleeve bearings spacers for 6mm axles.
• Sealed
  • Keep Elements Out
  • Not Serviceable