Should your wheels wear out on the B2-100 skates simply pick up the 5th Element B2-100 64mm/70mm Inline Skate Wheels and keep on rolling. Skate Type: Recreational, Best Use: Recreational, Number of Wheels: 1, Model Year: 2019, Product ID: 524540, Model Number: 126B-45 GN 64, GTIN: 0764092520180