Angelboy K-Grind Complete Skateboard (7.625 x 31.625) Professional, High-Performance Quality ANGELBOY precision chromium steel bearings are lubricated with Speed Cream ANGELBOY cast aluminum trucks come with carbon steel kingpin and axle. ANGELBOY Skateboards are made from seven laminants of quality wood veneers ANGELBOY Skateboards have a lifetime warranty which protects them against manufacturing defects.