Metal Core 100mm Pro Scooter 2 Wheels with Abec 11 Bearings Installed Razor #bbd1 Black on Black MADE IN USA! Includes High Performance ABEC 11 Bearings with Spacers Installed Cores are Precision CNC Machined from aircraft billet aluminum Premium High Rebound Urethane PermaBonded to the core Professionally made right here in the USA! Price is for a pair of wheels (2)