16pcs CERAMIC BSB SPEED11 High Speed Ball Bearing with Iron Box for Roller Skates

Feature: 1. High precision, fast speed. 2. Black ceramic, 6 roller balls. 3. Rustproof, corrosion resistant, long service life. 4. Come with an iron box for easy storage and carry. 5. Applicable to casual shoes, speed skating shoes, especially for occasion where roller skating speed is required, but not for intense activities. Specification: Item Type: Bearing Model: CERAMIC BSB SPEED11 Dimension: Outer Diameter 22mm, Inner Diameter 8mm, Thickness 7mm Retainer: Nylon, Single Side Dust Cover. Package List: 16 x Bearing Note: The bearing is not suitable for intense activities.High precision, fast speed. Black ceramic, 6 roller balls. Rustproof, corrosion resistant, long service life. Come with an iron box for easy storage and carry. Applicable to casual shoes, speed skating shoes, especially for occasion where roller skating speed is required, but not for intense activities.